From 322e3892793ab119e5c5168b25eec6e82bbd04e9 Mon Sep 17 00:00:00 2001
From: Sasha <o.andriushchenko@geniusee.com>
Date: Fri, 18 Sep 2026 14:43:24 -0300
Subject: [PATCH 1/3] Add missing CME-family futures early closes for 2023-2025
 shortened sessions

Add the early closes, and the same-evening late opens, that the
per-symbol CME, CBOT, NYMEX and COMEX entries lack for 3 Jul 2023,
3 Jul 2024, 29 Nov 2024 and 9 Jan 2025, at the times CME published
for each product group. Additive only: 80 early closes and 25 late
opens across 52 entries, inserted in chronological order.

Cover the change with a MarketHoursDatabaseTests case that resolves
one entry per product group on each date.
---
 Data/market-hours/market-hours-database.json  | 105 ++++++++++++++++++
 .../Securities/MarketHoursDatabaseTests.cs    |  38 +++++++
 2 files changed, 143 insertions(+)

diff --git a/Data/market-hours/market-hours-database.json b/Data/market-hours/market-hours-database.json
index 9cdf3bdf59e3..9f09b89dee6b 100644
--- a/Data/market-hours/market-hours-database.json
+++ b/Data/market-hours/market-hours-database.json
@@ -2697,6 +2697,7 @@
         "11/22/2023": "16:00:00",
         "11/24/2023": "12:05:00",
         "3/28/2024": "16:00:00",
+        "11/29/2024": "12:05:00",
         "12/24/2024": "12:05:00",
         "12/31/2024": "16:00:00",
         "1/19/2025": "16:00:00",
@@ -3207,6 +3208,7 @@
         "11/22/2023": "16:00:00",
         "11/24/2023": "12:05:00",
         "3/28/2024": "16:00:00",
+        "11/29/2024": "12:05:00",
         "12/24/2024": "12:05:00",
         "12/31/2024": "16:00:00",
         "1/19/2025": "16:00:00",
@@ -3858,6 +3860,7 @@
         "11/22/2023": "16:00:00",
         "11/24/2023": "12:05:00",
         "3/28/2024": "16:00:00",
+        "11/29/2024": "12:05:00",
         "12/24/2024": "12:05:00",
         "12/31/2024": "16:00:00",
         "1/19/2025": "16:00:00",
@@ -4214,6 +4217,7 @@
         "12/24/2027"
       ],
       "earlyCloses": {
+        "11/29/2024": "12:05:00",
         "12/31/2025": "16:00:00",
         "1/18/2026": "16:00:00",
         "2/15/2026": "16:00:00",
@@ -4368,6 +4372,7 @@
         "12/24/2027"
       ],
       "earlyCloses": {
+        "11/29/2024": "12:05:00",
         "12/31/2025": "16:00:00",
         "1/18/2026": "16:00:00",
         "2/15/2026": "16:00:00",
@@ -4522,6 +4527,7 @@
         "12/24/2027"
       ],
       "earlyCloses": {
+        "11/29/2024": "12:05:00",
         "12/31/2025": "16:00:00",
         "1/18/2026": "16:00:00",
         "2/15/2026": "16:00:00",
@@ -4770,6 +4776,7 @@
         "11/22/2023": "16:00:00",
         "11/24/2023": "12:05:00",
         "3/28/2024": "16:00:00",
+        "11/29/2024": "12:05:00",
         "12/24/2024": "12:05:00",
         "12/31/2024": "16:00:00",
         "1/19/2025": "16:00:00",
@@ -5494,6 +5501,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -6088,6 +6096,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -6682,6 +6691,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -7276,6 +7286,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -7870,6 +7881,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -8464,6 +8476,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -9058,6 +9071,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -11394,6 +11408,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -39491,6 +39506,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:45:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -40376,6 +40392,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -42032,6 +42049,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -51545,6 +51563,7 @@
         "4/7/2023": "08:15:00",
         "5/29/2023": "12:00:00",
         "6/19/2023": "12:00:00",
+        "7/3/2023": "12:15:00",
         "7/4/2023": "12:00:00",
         "9/4/2023": "12:00:00",
         "11/23/2023": "12:00:00",
@@ -51553,11 +51572,14 @@
         "2/19/2024": "12:00:00",
         "5/27/2024": "12:00:00",
         "6/19/2024": "12:00:00",
+        "7/3/2024": "12:15:00",
         "7/4/2024": "12:00:00",
         "9/2/2024": "12:00:00",
         "11/28/2024": "12:00:00",
+        "11/29/2024": "12:15:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "08:30:00",
         "1/20/2025": "12:00:00",
         "2/17/2025": "12:00:00",
         "4/17/2025": "16:00:00",
@@ -51679,6 +51701,7 @@
         "2/20/2023": "17:00:00",
         "5/29/2023": "17:00:00",
         "6/19/2023": "17:00:00",
+        "7/3/2023": "17:00:00",
         "7/4/2023": "17:00:00",
         "9/4/2023": "17:00:00",
         "11/23/2023": "17:00:00",
@@ -51688,11 +51711,13 @@
         "2/19/2024": "17:00:00",
         "5/27/2024": "17:00:00",
         "6/19/2024": "17:00:00",
+        "7/3/2024": "17:00:00",
         "7/4/2024": "17:00:00",
         "9/2/2024": "17:00:00",
         "11/28/2024": "17:00:00",
         "12/25/2024": "17:00:00",
         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
         "1/20/2025": "17:00:00",
         "2/17/2025": "17:00:00",
         "5/26/2025": "17:00:00",
@@ -53763,6 +53788,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:45:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -56738,6 +56764,7 @@
         "7/4/2024": "12:00:00",
         "9/2/2024": "12:00:00",
         "11/28/2024": "12:00:00",
+        "11/29/2024": "12:15:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "12:00:00",
@@ -57333,6 +57360,7 @@
         "7/4/2024": "12:00:00",
         "9/2/2024": "12:00:00",
         "11/28/2024": "12:00:00",
+        "11/29/2024": "12:15:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "12:00:00",
@@ -62652,6 +62680,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -63707,6 +63736,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -68521,6 +68551,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -69095,6 +69126,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -69697,6 +69729,7 @@
         "7/4/2024": "12:00:00",
         "9/2/2024": "12:00:00",
         "11/28/2024": "12:00:00",
+        "11/29/2024": "12:15:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "12:00:00",
@@ -70292,6 +70325,7 @@
         "7/4/2024": "12:00:00",
         "9/2/2024": "12:00:00",
         "11/28/2024": "12:00:00",
+        "11/29/2024": "12:15:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "12:00:00",
@@ -70887,6 +70921,7 @@
         "7/4/2024": "12:00:00",
         "9/2/2024": "12:00:00",
         "11/28/2024": "12:00:00",
+        "11/29/2024": "12:15:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "12:00:00",
@@ -71482,6 +71517,7 @@
         "7/4/2024": "12:00:00",
         "9/2/2024": "12:00:00",
         "11/28/2024": "12:00:00",
+        "11/29/2024": "12:15:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "12:00:00",
@@ -72287,6 +72323,7 @@
         "4/7/2023": "09:15:00",
         "5/29/2023": "13:00:00",
         "6/19/2023": "13:00:00",
+        "7/3/2023": "13:15:00",
         "7/4/2023": "13:00:00",
         "9/4/2023": "13:00:00",
         "11/23/2023": "13:00:00",
@@ -72295,11 +72332,14 @@
         "2/19/2024": "13:00:00",
         "5/27/2024": "13:00:00",
         "6/19/2024": "13:00:00",
+        "7/3/2024": "13:15:00",
         "7/4/2024": "13:00:00",
         "9/2/2024": "13:00:00",
         "11/28/2024": "13:00:00",
+        "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
+        "1/9/2025": "09:30:00",
         "1/20/2025": "13:00:00",
         "2/17/2025": "13:00:00",
         "4/17/2025": "17:00:00",
@@ -72421,6 +72461,7 @@
         "2/20/2023": "18:00:00",
         "5/29/2023": "18:00:00",
         "6/19/2023": "18:00:00",
+        "7/3/2023": "18:00:00",
         "7/4/2023": "18:00:00",
         "9/4/2023": "18:00:00",
         "11/23/2023": "18:00:00",
@@ -72430,11 +72471,13 @@
         "2/19/2024": "18:00:00",
         "5/27/2024": "18:00:00",
         "6/19/2024": "18:00:00",
+        "7/3/2024": "18:00:00",
         "7/4/2024": "18:00:00",
         "9/2/2024": "18:00:00",
         "11/28/2024": "18:00:00",
         "12/25/2024": "18:00:00",
         "1/1/2025": "18:00:00",
+        "1/9/2025": "18:00:00",
         "1/20/2025": "18:00:00",
         "2/17/2025": "18:00:00",
         "5/26/2025": "18:00:00",
@@ -74551,6 +74594,7 @@
         "4/7/2023": "09:15:00",
         "5/29/2023": "13:00:00",
         "6/19/2023": "13:00:00",
+        "7/3/2023": "13:15:00",
         "7/4/2023": "13:00:00",
         "9/4/2023": "13:00:00",
         "11/23/2023": "13:00:00",
@@ -74559,11 +74603,14 @@
         "2/19/2024": "13:00:00",
         "5/27/2024": "13:00:00",
         "6/19/2024": "13:00:00",
+        "7/3/2024": "13:15:00",
         "7/4/2024": "13:00:00",
         "9/2/2024": "13:00:00",
         "11/28/2024": "13:00:00",
+        "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
+        "1/9/2025": "09:30:00",
         "1/20/2025": "13:00:00",
         "2/17/2025": "13:00:00",
         "4/17/2025": "17:00:00",
@@ -74685,6 +74732,7 @@
         "2/20/2023": "18:00:00",
         "5/29/2023": "18:00:00",
         "6/19/2023": "18:00:00",
+        "7/3/2023": "18:00:00",
         "7/4/2023": "18:00:00",
         "9/4/2023": "18:00:00",
         "11/23/2023": "18:00:00",
@@ -74694,11 +74742,13 @@
         "2/19/2024": "18:00:00",
         "5/27/2024": "18:00:00",
         "6/19/2024": "18:00:00",
+        "7/3/2024": "18:00:00",
         "7/4/2024": "18:00:00",
         "9/2/2024": "18:00:00",
         "11/28/2024": "18:00:00",
         "12/25/2024": "18:00:00",
         "1/1/2025": "18:00:00",
+        "1/9/2025": "18:00:00",
         "1/20/2025": "18:00:00",
         "2/17/2025": "18:00:00",
         "5/26/2025": "18:00:00",
@@ -75117,6 +75167,7 @@
         "4/7/2023": "09:15:00",
         "5/29/2023": "13:00:00",
         "6/19/2023": "13:00:00",
+        "7/3/2023": "13:15:00",
         "7/4/2023": "13:00:00",
         "9/4/2023": "13:00:00",
         "11/23/2023": "13:00:00",
@@ -75125,11 +75176,14 @@
         "2/19/2024": "13:00:00",
         "5/27/2024": "13:00:00",
         "6/19/2024": "13:00:00",
+        "7/3/2024": "13:15:00",
         "7/4/2024": "13:00:00",
         "9/2/2024": "13:00:00",
         "11/28/2024": "13:00:00",
+        "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
+        "1/9/2025": "09:30:00",
         "1/20/2025": "13:00:00",
         "2/17/2025": "13:00:00",
         "4/17/2025": "17:00:00",
@@ -75251,6 +75305,7 @@
         "2/20/2023": "18:00:00",
         "5/29/2023": "18:00:00",
         "6/19/2023": "18:00:00",
+        "7/3/2023": "18:00:00",
         "7/4/2023": "18:00:00",
         "9/4/2023": "18:00:00",
         "11/23/2023": "18:00:00",
@@ -75260,11 +75315,13 @@
         "2/19/2024": "18:00:00",
         "5/27/2024": "18:00:00",
         "6/19/2024": "18:00:00",
+        "7/3/2024": "18:00:00",
         "7/4/2024": "18:00:00",
         "9/2/2024": "18:00:00",
         "11/28/2024": "18:00:00",
         "12/25/2024": "18:00:00",
         "1/1/2025": "18:00:00",
+        "1/9/2025": "18:00:00",
         "1/20/2025": "18:00:00",
         "2/17/2025": "18:00:00",
         "5/26/2025": "18:00:00",
@@ -75683,6 +75740,7 @@
         "4/7/2023": "09:15:00",
         "5/29/2023": "13:00:00",
         "6/19/2023": "13:00:00",
+        "7/3/2023": "13:15:00",
         "7/4/2023": "13:00:00",
         "9/4/2023": "13:00:00",
         "11/23/2023": "13:00:00",
@@ -75691,9 +75749,11 @@
         "2/19/2024": "13:00:00",
         "5/27/2024": "13:00:00",
         "6/19/2024": "13:00:00",
+        "7/3/2024": "13:15:00",
         "7/4/2024": "13:00:00",
         "9/2/2024": "13:00:00",
         "11/28/2024": "13:00:00",
+        "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "13:00:00",
@@ -75818,6 +75878,7 @@
         "2/20/2023": "18:00:00",
         "5/29/2023": "18:00:00",
         "6/19/2023": "18:00:00",
+        "7/3/2023": "18:00:00",
         "7/4/2023": "18:00:00",
         "9/4/2023": "18:00:00",
         "11/23/2023": "18:00:00",
@@ -75827,6 +75888,7 @@
         "2/19/2024": "18:00:00",
         "5/27/2024": "18:00:00",
         "6/19/2024": "18:00:00",
+        "7/3/2024": "18:00:00",
         "7/4/2024": "18:00:00",
         "9/2/2024": "18:00:00",
         "11/28/2024": "18:00:00",
@@ -77629,6 +77691,7 @@
         "7/4/2024": "13:00:00",
         "9/2/2024": "13:00:00",
         "11/28/2024": "13:00:00",
+        "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "13:00:00",
@@ -78195,6 +78258,7 @@
         "7/4/2024": "13:00:00",
         "9/2/2024": "13:00:00",
         "11/28/2024": "13:00:00",
+        "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "13:00:00",
@@ -78771,6 +78835,8 @@
         "11/24/2023": "12:05:00",
         "3/28/2024": "16:00:00",
         "11/27/2024": "16:00:00",
+        "11/29/2024": "12:05:00",
+        "1/9/2025": "12:15:00",
         "11/28/2025": "12:05:00",
         "12/24/2025": "12:15:00",
         "11/27/2026": "12:05:00",
@@ -79070,6 +79136,8 @@
         "11/24/2023": "12:05:00",
         "3/28/2024": "16:00:00",
         "11/27/2024": "16:00:00",
+        "11/29/2024": "12:05:00",
+        "1/9/2025": "12:15:00",
         "11/28/2025": "12:05:00",
         "12/24/2025": "12:15:00",
         "11/27/2026": "12:05:00",
@@ -79369,6 +79437,8 @@
         "11/24/2023": "12:05:00",
         "3/28/2024": "16:00:00",
         "11/27/2024": "16:00:00",
+        "11/29/2024": "12:05:00",
+        "1/9/2025": "12:15:00",
         "11/28/2025": "12:05:00",
         "12/24/2025": "12:15:00",
         "11/27/2026": "12:05:00",
@@ -79532,6 +79602,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -79887,6 +79958,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -81725,6 +81797,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -82080,6 +82153,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -109457,6 +109531,7 @@
         "4/7/2023": "09:15:00",
         "5/29/2023": "13:00:00",
         "6/19/2023": "13:00:00",
+        "7/3/2023": "13:15:00",
         "7/4/2023": "13:00:00",
         "9/4/2023": "13:00:00",
         "11/23/2023": "13:00:00",
@@ -109465,11 +109540,14 @@
         "2/19/2024": "13:00:00",
         "5/27/2024": "13:00:00",
         "6/19/2024": "13:00:00",
+        "7/3/2024": "13:15:00",
         "7/4/2024": "13:00:00",
         "9/2/2024": "13:00:00",
         "11/28/2024": "13:00:00",
+        "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
+        "1/9/2025": "09:30:00",
         "1/20/2025": "13:00:00",
         "2/17/2025": "13:00:00",
         "4/17/2025": "17:00:00",
@@ -109591,6 +109669,7 @@
         "2/20/2023": "18:00:00",
         "5/29/2023": "18:00:00",
         "6/19/2023": "18:00:00",
+        "7/3/2023": "18:00:00",
         "7/4/2023": "18:00:00",
         "9/4/2023": "18:00:00",
         "11/23/2023": "18:00:00",
@@ -109600,11 +109679,13 @@
         "2/19/2024": "18:00:00",
         "5/27/2024": "18:00:00",
         "6/19/2024": "18:00:00",
+        "7/3/2024": "18:00:00",
         "7/4/2024": "18:00:00",
         "9/2/2024": "18:00:00",
         "11/28/2024": "18:00:00",
         "12/25/2024": "18:00:00",
         "1/1/2025": "18:00:00",
+        "1/9/2025": "18:00:00",
         "1/20/2025": "18:00:00",
         "2/17/2025": "18:00:00",
         "5/26/2025": "18:00:00",
@@ -110023,6 +110104,7 @@
         "4/7/2023": "09:15:00",
         "5/29/2023": "13:00:00",
         "6/19/2023": "13:00:00",
+        "7/3/2023": "13:15:00",
         "7/4/2023": "13:00:00",
         "9/4/2023": "13:00:00",
         "11/23/2023": "13:00:00",
@@ -110031,11 +110113,14 @@
         "2/19/2024": "13:00:00",
         "5/27/2024": "13:00:00",
         "6/19/2024": "13:00:00",
+        "7/3/2024": "13:15:00",
         "7/4/2024": "13:00:00",
         "9/2/2024": "13:00:00",
         "11/28/2024": "13:00:00",
+        "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
+        "1/9/2025": "09:30:00",
         "1/20/2025": "13:00:00",
         "2/17/2025": "13:00:00",
         "4/17/2025": "17:00:00",
@@ -110157,6 +110242,7 @@
         "2/20/2023": "18:00:00",
         "5/29/2023": "18:00:00",
         "6/19/2023": "18:00:00",
+        "7/3/2023": "18:00:00",
         "7/4/2023": "18:00:00",
         "9/4/2023": "18:00:00",
         "11/23/2023": "18:00:00",
@@ -110166,11 +110252,13 @@
         "2/19/2024": "18:00:00",
         "5/27/2024": "18:00:00",
         "6/19/2024": "18:00:00",
+        "7/3/2024": "18:00:00",
         "7/4/2024": "18:00:00",
         "9/2/2024": "18:00:00",
         "11/28/2024": "18:00:00",
         "12/25/2024": "18:00:00",
         "1/1/2025": "18:00:00",
+        "1/9/2025": "18:00:00",
         "1/20/2025": "18:00:00",
         "2/17/2025": "18:00:00",
         "5/26/2025": "18:00:00",
@@ -111183,6 +111271,7 @@
         "4/7/2023": "09:15:00",
         "5/29/2023": "13:00:00",
         "6/19/2023": "13:00:00",
+        "7/3/2023": "13:15:00",
         "7/4/2023": "13:00:00",
         "9/4/2023": "13:00:00",
         "11/23/2023": "13:00:00",
@@ -111191,11 +111280,14 @@
         "2/19/2024": "13:00:00",
         "5/27/2024": "13:00:00",
         "6/19/2024": "13:00:00",
+        "7/3/2024": "13:15:00",
         "7/4/2024": "13:00:00",
         "9/2/2024": "13:00:00",
         "11/28/2024": "13:00:00",
+        "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
+        "1/9/2025": "09:30:00",
         "1/20/2025": "13:00:00",
         "2/17/2025": "13:00:00",
         "4/17/2025": "17:00:00",
@@ -111317,6 +111409,7 @@
         "2/20/2023": "18:00:00",
         "5/29/2023": "18:00:00",
         "6/19/2023": "18:00:00",
+        "7/3/2023": "18:00:00",
         "7/4/2023": "18:00:00",
         "9/4/2023": "18:00:00",
         "11/23/2023": "18:00:00",
@@ -111326,11 +111419,13 @@
         "2/19/2024": "18:00:00",
         "5/27/2024": "18:00:00",
         "6/19/2024": "18:00:00",
+        "7/3/2024": "18:00:00",
         "7/4/2024": "18:00:00",
         "9/2/2024": "18:00:00",
         "11/28/2024": "18:00:00",
         "12/25/2024": "18:00:00",
         "1/1/2025": "18:00:00",
+        "1/9/2025": "18:00:00",
         "1/20/2025": "18:00:00",
         "2/17/2025": "18:00:00",
         "5/26/2025": "18:00:00",
@@ -111749,6 +111844,7 @@
         "4/7/2023": "09:15:00",
         "5/29/2023": "13:00:00",
         "6/19/2023": "13:00:00",
+        "7/3/2023": "13:15:00",
         "7/4/2023": "13:00:00",
         "9/4/2023": "13:00:00",
         "11/23/2023": "13:00:00",
@@ -111757,9 +111853,11 @@
         "2/19/2024": "13:00:00",
         "5/27/2024": "13:00:00",
         "6/19/2024": "13:00:00",
+        "7/3/2024": "13:15:00",
         "7/4/2024": "13:00:00",
         "9/2/2024": "13:00:00",
         "11/28/2024": "13:00:00",
+        "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "13:00:00",
@@ -111884,6 +111982,7 @@
         "2/20/2023": "18:00:00",
         "5/29/2023": "18:00:00",
         "6/19/2023": "18:00:00",
+        "7/3/2023": "18:00:00",
         "7/4/2023": "18:00:00",
         "9/4/2023": "18:00:00",
         "11/23/2023": "18:00:00",
@@ -111893,6 +111992,7 @@
         "2/19/2024": "18:00:00",
         "5/27/2024": "18:00:00",
         "6/19/2024": "18:00:00",
+        "7/3/2024": "18:00:00",
         "7/4/2024": "18:00:00",
         "9/2/2024": "18:00:00",
         "11/28/2024": "18:00:00",
@@ -112329,6 +112429,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -113361,6 +113462,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:45:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -113692,6 +113794,7 @@
         "7/4/2024": "16:00:00",
         "9/2/2024": "16:00:00",
         "11/28/2024": "16:00:00",
+        "11/29/2024": "13:45:00",
         "12/24/2024": "12:45:00",
         "12/31/2024": "16:00:00",
         "1/20/2025": "16:00:00",
@@ -114128,6 +114231,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
@@ -115296,6 +115400,7 @@
         "7/4/2024": "14:30:00",
         "9/2/2024": "14:30:00",
         "11/28/2024": "14:30:00",
+        "11/29/2024": "14:45:00",
         "12/24/2024": "13:45:00",
         "12/31/2024": "17:00:00",
         "1/20/2025": "14:30:00",
diff --git a/Tests/Common/Securities/MarketHoursDatabaseTests.cs b/Tests/Common/Securities/MarketHoursDatabaseTests.cs
index 3aa927ad9843..06cdee271b8c 100644
--- a/Tests/Common/Securities/MarketHoursDatabaseTests.cs
+++ b/Tests/Common/Securities/MarketHoursDatabaseTests.cs
@@ -224,6 +224,44 @@ public void CorrectlyReadsCMEGroupFutureEarlyCloses(string futureTicker, string
             }
         }
 
+        [TestCase("ES", Market.CME, "7/3/2023", "13:15:00", "18:00:00")]
+        [TestCase("MNQ", Market.CME, "7/3/2024", "13:15:00", "18:00:00")]
+        [TestCase("YM", Market.CBOT, "7/3/2024", "13:15:00", "18:00:00")]
+        [TestCase("EMD", Market.CME, "7/3/2024", "12:15:00", "17:00:00")]
+        [TestCase("ES", Market.CME, "1/9/2025", "09:30:00", "18:00:00")]
+        [TestCase("LE", Market.CME, "1/9/2025", "12:15:00", null)]
+        [TestCase("ES", Market.CME, "11/29/2024", "13:15:00", null)]
+        [TestCase("ZN", Market.CBOT, "11/29/2024", "12:15:00", null)]
+        [TestCase("ZC", Market.CBOT, "11/29/2024", "12:05:00", null)]
+        [TestCase("6E", Market.CME, "11/29/2024", "13:45:00", null)]
+        [TestCase("BTC", Market.CME, "11/29/2024", "13:45:00", null)]
+        [TestCase("CL", Market.NYMEX, "11/29/2024", "14:45:00", null)]
+        [TestCase("GC", Market.COMEX, "11/29/2024", "14:45:00", null)]
+        public void CorrectlyReadsCMEGroupFutureShortenedSessions(string futureTicker, string market, string date, string earlyClose, string lateOpen)
+        {
+            var provider = MarketHoursDatabase.FromDataFolder();
+            var ticker = OptionSymbol.MapToUnderlying(futureTicker, SecurityType.Future);
+            var future = Symbol.Create(ticker, SecurityType.Future, market);
+
+            var exchangeHours = provider.GetEntry(market, ticker, future.SecurityType).ExchangeHours;
+            var day = DateTime.Parse(date, CultureInfo.InvariantCulture);
+            var earlyCloseTime = TimeSpan.Parse(earlyClose, CultureInfo.InvariantCulture);
+
+            Assert.IsFalse(exchangeHours.Holidays.Contains(day));
+            Assert.AreEqual(earlyCloseTime, exchangeHours.EarlyCloses[day]);
+            Assert.AreEqual(day + earlyCloseTime, exchangeHours.GetLastDailyMarketClose(day, false));
+
+            if (lateOpen == null)
+            {
+                Assert.IsFalse(exchangeHours.LateOpens.ContainsKey(day));
+                return;
+            }
+
+            var lateOpenTime = TimeSpan.Parse(lateOpen, CultureInfo.InvariantCulture);
+            Assert.AreEqual(lateOpenTime, exchangeHours.LateOpens[day]);
+            Assert.AreEqual(lateOpenTime, exchangeHours.GetMarketHours(day).GetMarketOpen(earlyCloseTime, true));
+        }
+
         /// <summary>
         /// An early close or a late open only says something about a day the exchange trades. Both get
         /// carried from one year to the next, and carrying them by calendar date rather than by trading

From 69dd3571de8e8d945f862a58ce76673204f336c8 Mon Sep 17 00:00:00 2001
From: Sasha <o.andriushchenko@geniusee.com>
Date: Fri, 18 Sep 2026 14:58:27 -0300
Subject: [PATCH 2/3] Correct Christmas 2025 and National Day of Mourning
 sessions for CME-family futures

Drop the 25 Dec 2025 early close that 110 entries carry at their own
regular close alongside the evening late open. SecurityExchangeHours
treats an early close that precedes a late open as a pause, so the
pair opened the whole regular session on a day the exchange is
closed. The late open alone is how every entry encodes 25 Dec 2023
and 25 Dec 2024.

Move 9 Jan 2025 off the CBOT and COMEX market wildcards. Rates and
grains closed 12:15 CT and reopened at their regular evening time,
YM and MYM halted 08:30 CT, and metals traded normal hours. AW keeps
the closure on its own entry.

Extend the MarketHoursDatabaseTests coverage to both dates.
---
 Data/market-hours/market-hours-database.json  | 170 ++++++------------
 .../Securities/MarketHoursDatabaseTests.cs    |  21 +++
 2 files changed, 77 insertions(+), 114 deletions(-)

diff --git a/Data/market-hours/market-hours-database.json b/Data/market-hours/market-hours-database.json
index 9f09b89dee6b..67d0de1080de 100644
--- a/Data/market-hours/market-hours-database.json
+++ b/Data/market-hours/market-hours-database.json
@@ -1137,7 +1137,6 @@
         "1/1/2024",
         "1/2/2023",
         "1/2/2007",
-        "1/9/2025",
         "1/20/2025",
         "1/19/1998",
         "1/18/1999",
@@ -1851,7 +1850,6 @@
         "1/1/2021",
         "1/1/2022",
         "1/1/2024",
-        "1/9/2025",
         "1/20/2025",
         "1/2/2023",
         "1/2/2007",
@@ -2700,6 +2698,7 @@
         "11/29/2024": "12:05:00",
         "12/24/2024": "12:05:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
         "1/19/2025": "16:00:00",
         "2/16/2025": "16:00:00",
         "4/17/2025": "16:00:00",
@@ -2805,6 +2804,7 @@
         "5/27/2024": "19:00:00",
         "6/19/2024": "19:00:00",
         "9/2/2024": "19:00:00",
+        "1/9/2025": "19:00:00",
         "1/20/2025": "19:00:00",
         "2/17/2025": "19:00:00",
         "5/26/2025": "19:00:00",
@@ -3211,6 +3211,7 @@
         "11/29/2024": "12:05:00",
         "12/24/2024": "12:05:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
         "1/19/2025": "16:00:00",
         "2/16/2025": "16:00:00",
         "4/17/2025": "16:00:00",
@@ -3316,6 +3317,7 @@
         "5/27/2024": "19:00:00",
         "6/19/2024": "19:00:00",
         "9/2/2024": "19:00:00",
+        "1/9/2025": "19:00:00",
         "1/20/2025": "19:00:00",
         "2/17/2025": "19:00:00",
         "5/26/2025": "19:00:00",
@@ -3863,6 +3865,7 @@
         "11/29/2024": "12:05:00",
         "12/24/2024": "12:05:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
         "1/19/2025": "16:00:00",
         "2/16/2025": "16:00:00",
         "4/17/2025": "16:00:00",
@@ -3968,6 +3971,7 @@
         "5/27/2024": "19:00:00",
         "6/19/2024": "19:00:00",
         "9/2/2024": "19:00:00",
+        "1/9/2025": "19:00:00",
         "1/20/2025": "19:00:00",
         "2/17/2025": "19:00:00",
         "5/26/2025": "19:00:00",
@@ -4218,6 +4222,7 @@
       ],
       "earlyCloses": {
         "11/29/2024": "12:05:00",
+        "1/9/2025": "12:15:00",
         "12/31/2025": "16:00:00",
         "1/18/2026": "16:00:00",
         "2/15/2026": "16:00:00",
@@ -4243,6 +4248,7 @@
         "12/31/2027": "16:00:00"
       },
       "lateOpens": {
+        "1/9/2025": "19:00:00",
         "1/2/2026": "08:30:00",
         "1/19/2026": "19:00:00",
         "2/16/2026": "19:00:00",
@@ -4373,6 +4379,7 @@
       ],
       "earlyCloses": {
         "11/29/2024": "12:05:00",
+        "1/9/2025": "12:15:00",
         "12/31/2025": "16:00:00",
         "1/18/2026": "16:00:00",
         "2/15/2026": "16:00:00",
@@ -4398,6 +4405,7 @@
         "12/31/2027": "16:00:00"
       },
       "lateOpens": {
+        "1/9/2025": "19:00:00",
         "1/2/2026": "08:30:00",
         "1/19/2026": "19:00:00",
         "2/16/2026": "19:00:00",
@@ -4528,6 +4536,7 @@
       ],
       "earlyCloses": {
         "11/29/2024": "12:05:00",
+        "1/9/2025": "12:15:00",
         "12/31/2025": "16:00:00",
         "1/18/2026": "16:00:00",
         "2/15/2026": "16:00:00",
@@ -4553,6 +4562,7 @@
         "12/31/2027": "16:00:00"
       },
       "lateOpens": {
+        "1/9/2025": "19:00:00",
         "1/2/2026": "08:30:00",
         "1/19/2026": "19:00:00",
         "2/16/2026": "19:00:00",
@@ -4779,6 +4789,7 @@
         "11/29/2024": "12:05:00",
         "12/24/2024": "12:05:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
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         "4/17/2025": "16:00:00",
@@ -4884,6 +4895,7 @@
         "5/27/2024": "19:00:00",
         "6/19/2024": "19:00:00",
         "9/2/2024": "19:00:00",
+        "1/9/2025": "19:00:00",
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         "2/17/2025": "19:00:00",
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@@ -9649,7 +9661,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
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@@ -10223,7 +10234,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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@@ -13174,7 +13184,6 @@
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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         "2/16/2026": "14:30:00",
@@ -13748,7 +13757,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
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@@ -14322,7 +14330,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -14896,7 +14903,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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         "2/16/2026": "14:30:00",
@@ -15470,7 +15476,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
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@@ -16044,7 +16049,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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         "2/16/2026": "14:30:00",
@@ -16618,7 +16622,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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         "2/16/2026": "14:30:00",
@@ -17192,7 +17195,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -17766,7 +17768,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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@@ -18340,7 +18341,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -18914,7 +18914,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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         "2/16/2026": "14:30:00",
@@ -19488,7 +19487,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -20062,7 +20060,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -20636,7 +20633,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -21210,7 +21206,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -21784,7 +21779,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -22358,7 +22352,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -22932,7 +22925,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -23506,7 +23498,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -24080,7 +24071,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -25248,7 +25238,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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         "2/16/2026": "14:30:00",
@@ -25822,7 +25811,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
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         "1/19/2026": "14:30:00",
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@@ -26396,7 +26384,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -26970,7 +26957,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -27544,7 +27530,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
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@@ -28118,7 +28103,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -29286,7 +29270,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -29860,7 +29843,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -31028,7 +31010,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -31602,7 +31583,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
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@@ -32176,7 +32156,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -33321,7 +33300,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -33693,6 +33671,7 @@
       "saturday": [],
       "holidays": [
         "4/7/2023",
+        "1/9/2025",
         "1/1/2026",
         "1/19/2026",
         "2/16/2026",
@@ -33987,7 +33966,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -34561,7 +34539,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -35135,7 +35112,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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@@ -35709,7 +35685,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
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@@ -36283,7 +36258,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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@@ -36815,6 +36789,7 @@
         "3/28/2024": "16:00:00",
         "12/24/2024": "12:05:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
         "1/19/2025": "16:00:00",
         "2/16/2025": "16:00:00",
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@@ -36920,6 +36895,7 @@
         "5/27/2024": "19:00:00",
         "6/19/2024": "19:00:00",
         "9/2/2024": "19:00:00",
+        "1/9/2025": "19:00:00",
         "1/20/2025": "19:00:00",
         "2/17/2025": "19:00:00",
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@@ -37306,7 +37282,6 @@
         "11/27/2025": "12:00:00",
         "11/28/2025": "12:15:00",
         "12/24/2025": "12:15:00",
-        "12/25/2025": "16:00:00",
         "12/31/2025": "16:00:00",
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@@ -37873,7 +37848,6 @@
         "11/27/2025": "14:30:00",
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
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@@ -38447,7 +38421,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
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@@ -39021,7 +38994,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
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@@ -39912,6 +39884,7 @@
         "3/28/2024": "16:00:00",
         "12/24/2024": "12:05:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
         "1/19/2025": "16:00:00",
         "2/16/2025": "16:00:00",
         "4/17/2025": "16:00:00",
@@ -40017,6 +39990,7 @@
         "5/27/2024": "19:00:00",
         "6/19/2024": "19:00:00",
         "9/2/2024": "19:00:00",
+        "1/9/2025": "19:00:00",
         "1/20/2025": "19:00:00",
         "2/17/2025": "19:00:00",
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@@ -40405,7 +40379,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -42062,7 +42035,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
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@@ -43054,7 +43026,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
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@@ -44308,7 +44279,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
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@@ -44882,7 +44852,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -45456,7 +45425,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -46518,7 +46486,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
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@@ -47580,7 +47547,6 @@
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@@ -50494,6 +50460,7 @@
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         "12/24/2024": "12:45:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
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@@ -50503,8 +50470,7 @@
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         "11/28/2025": "13:45:00",
-        "12/24/2025": "12:45:00",
-        "12/25/2025": "16:00:00"
+        "12/24/2025": "12:45:00"
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@@ -50607,6 +50573,7 @@
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         "12/25/2024": "17:00:00",
         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
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@@ -51021,7 +50988,6 @@
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@@ -51591,7 +51557,6 @@
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@@ -52161,7 +52126,6 @@
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@@ -52735,7 +52699,6 @@
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         "12/24/2025": "13:45:00",
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@@ -54237,7 +54200,6 @@
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         "12/24/2025": "13:45:00",
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@@ -54811,7 +54773,6 @@
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@@ -55385,7 +55346,6 @@
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
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         "1/19/2026": "14:30:00",
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@@ -55959,7 +55919,6 @@
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         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
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         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -56381,7 +56340,12 @@
       ],
       "saturday": [],
       "holidays": [],
-      "earlyCloses": {}
+      "earlyCloses": {
+        "1/9/2025": "12:15:00"
+      },
+      "lateOpens": {
+        "1/9/2025": "17:00:00"
+      }
     },
     "Future-cbot-UB": {
       "dataTimeZone": "UTC",
@@ -56580,6 +56544,7 @@
         "11/28/2024": "17:00:00",
         "12/25/2024": "17:00:00",
         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
         "1/20/2025": "17:00:00",
         "2/17/2025": "17:00:00",
         "5/26/2025": "17:00:00",
@@ -56767,6 +56732,7 @@
         "11/29/2024": "12:15:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
         "1/20/2025": "12:00:00",
         "2/17/2025": "12:00:00",
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@@ -56777,7 +56743,6 @@
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         "12/24/2025": "12:15:00",
-        "12/25/2025": "16:00:00",
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@@ -57176,6 +57141,7 @@
         "11/28/2024": "17:00:00",
         "12/25/2024": "17:00:00",
         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
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@@ -57363,6 +57329,7 @@
         "11/29/2024": "12:15:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
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@@ -57373,7 +57340,6 @@
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-        "12/25/2025": "16:00:00",
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@@ -57772,6 +57738,7 @@
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         "12/25/2024": "17:00:00",
         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
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@@ -57958,6 +57925,7 @@
         "11/28/2024": "12:00:00",
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         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
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@@ -57968,7 +57936,6 @@
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-        "12/25/2025": "16:00:00",
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@@ -58367,6 +58334,7 @@
         "11/28/2024": "17:00:00",
         "12/25/2024": "17:00:00",
         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
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@@ -58553,6 +58521,7 @@
         "11/28/2024": "12:00:00",
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         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
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@@ -58563,7 +58532,6 @@
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@@ -59009,7 +58977,6 @@
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@@ -59583,7 +59550,6 @@
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@@ -60157,7 +60123,6 @@
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@@ -60731,7 +60696,6 @@
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@@ -63174,7 +63138,6 @@
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@@ -63749,7 +63712,6 @@
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@@ -64323,7 +64285,6 @@
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@@ -65131,7 +65092,6 @@
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@@ -65704,7 +65664,6 @@
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@@ -66270,7 +66229,6 @@
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@@ -66836,7 +66794,6 @@
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@@ -67402,7 +67359,6 @@
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@@ -68564,7 +68520,6 @@
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@@ -69139,7 +69094,6 @@
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@@ -69732,6 +69686,7 @@
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         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
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@@ -69742,7 +69697,6 @@
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@@ -69867,6 +69821,7 @@
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         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
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@@ -70328,6 +70283,7 @@
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         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
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@@ -70338,7 +70294,6 @@
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@@ -70463,6 +70418,7 @@
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         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
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@@ -70924,6 +70880,7 @@
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         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
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@@ -70934,7 +70891,6 @@
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@@ -71059,6 +71015,7 @@
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         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
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@@ -71520,6 +71477,7 @@
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+        "1/9/2025": "12:15:00",
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@@ -71530,7 +71488,6 @@
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@@ -71655,6 +71612,7 @@
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         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
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@@ -72351,7 +72309,6 @@
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@@ -72920,7 +72877,6 @@
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@@ -73486,7 +73442,6 @@
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@@ -74052,7 +74007,6 @@
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@@ -74622,7 +74576,6 @@
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@@ -75195,7 +75148,6 @@
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@@ -75756,6 +75708,7 @@
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         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
+        "1/9/2025": "09:30:00",
         "1/20/2025": "13:00:00",
         "2/17/2025": "13:00:00",
         "4/17/2025": "17:00:00",
@@ -75767,7 +75720,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -75894,6 +75846,7 @@
         "11/28/2024": "18:00:00",
         "12/25/2024": "18:00:00",
         "1/1/2025": "18:00:00",
+        "1/9/2025": "18:00:00",
         "1/20/2025": "18:00:00",
         "2/17/2025": "18:00:00",
         "5/26/2025": "18:00:00",
@@ -76572,7 +76525,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -77138,7 +77090,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -77705,7 +77656,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -78272,7 +78222,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -80451,7 +80400,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -81017,7 +80965,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -109559,7 +109506,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -110132,7 +110078,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -111299,7 +111244,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -111860,6 +111804,7 @@
         "11/29/2024": "13:15:00",
         "12/24/2024": "13:15:00",
         "12/31/2024": "17:00:00",
+        "1/9/2025": "09:30:00",
         "1/20/2025": "13:00:00",
         "2/17/2025": "13:00:00",
         "4/17/2025": "17:00:00",
@@ -111871,7 +111816,6 @@
         "11/27/2025": "13:00:00",
         "11/28/2025": "13:15:00",
         "12/24/2025": "13:15:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "13:00:00",
         "2/16/2026": "13:00:00",
@@ -111998,6 +111942,7 @@
         "11/28/2024": "18:00:00",
         "12/25/2024": "18:00:00",
         "1/1/2025": "18:00:00",
+        "1/9/2025": "18:00:00",
         "1/20/2025": "18:00:00",
         "2/17/2025": "18:00:00",
         "5/26/2025": "18:00:00",
@@ -114244,7 +114189,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -115984,7 +115928,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -117746,7 +117689,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -118320,7 +118262,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -118847,6 +118788,7 @@
         "11/28/2024": "17:00:00",
         "12/25/2024": "17:00:00",
         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
         "1/20/2025": "17:00:00",
         "2/17/2025": "17:00:00",
         "5/26/2025": "17:00:00",
@@ -119033,6 +118975,7 @@
         "11/28/2024": "12:00:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
         "1/20/2025": "12:00:00",
         "2/17/2025": "12:00:00",
         "4/17/2025": "16:00:00",
@@ -119043,7 +118986,6 @@
         "11/27/2025": "12:00:00",
         "11/28/2025": "12:15:00",
         "12/24/2025": "12:15:00",
-        "12/25/2025": "16:00:00",
         "12/31/2025": "16:00:00",
         "1/19/2026": "12:00:00",
         "2/16/2026": "12:00:00",
@@ -120539,6 +120481,7 @@
         "11/28/2024": "17:00:00",
         "12/25/2024": "17:00:00",
         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
         "1/20/2025": "17:00:00",
         "2/17/2025": "17:00:00",
         "5/26/2025": "17:00:00",
@@ -120725,6 +120668,7 @@
         "11/28/2024": "12:00:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
         "1/20/2025": "12:00:00",
         "2/17/2025": "12:00:00",
         "4/17/2025": "16:00:00",
@@ -120735,7 +120679,6 @@
         "11/27/2025": "12:00:00",
         "11/28/2025": "12:15:00",
         "12/24/2025": "12:15:00",
-        "12/25/2025": "16:00:00",
         "12/31/2025": "16:00:00",
         "1/19/2026": "12:00:00",
         "2/16/2026": "12:00:00",
@@ -121181,7 +121124,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -121755,7 +121697,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
@@ -122282,6 +122223,7 @@
         "11/28/2024": "17:00:00",
         "12/25/2024": "17:00:00",
         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
         "1/20/2025": "17:00:00",
         "2/17/2025": "17:00:00",
         "5/26/2025": "17:00:00",
@@ -122468,6 +122410,7 @@
         "11/28/2024": "12:00:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
         "1/20/2025": "12:00:00",
         "2/17/2025": "12:00:00",
         "4/17/2025": "16:00:00",
@@ -122478,7 +122421,6 @@
         "11/27/2025": "12:00:00",
         "11/28/2025": "12:15:00",
         "12/24/2025": "12:15:00",
-        "12/25/2025": "16:00:00",
         "12/31/2025": "16:00:00",
         "1/19/2026": "12:00:00",
         "2/16/2026": "12:00:00",
@@ -124378,6 +124320,7 @@
         "11/28/2024": "17:00:00",
         "12/25/2024": "17:00:00",
         "1/1/2025": "17:00:00",
+        "1/9/2025": "17:00:00",
         "1/20/2025": "17:00:00",
         "2/17/2025": "17:00:00",
         "5/26/2025": "17:00:00",
@@ -124564,6 +124507,7 @@
         "11/28/2024": "12:00:00",
         "12/24/2024": "12:15:00",
         "12/31/2024": "16:00:00",
+        "1/9/2025": "12:15:00",
         "1/20/2025": "12:00:00",
         "2/17/2025": "12:00:00",
         "4/17/2025": "16:00:00",
@@ -124574,7 +124518,6 @@
         "11/27/2025": "12:00:00",
         "11/28/2025": "12:15:00",
         "12/24/2025": "12:15:00",
-        "12/25/2025": "16:00:00",
         "12/31/2025": "16:00:00",
         "1/19/2026": "12:00:00",
         "2/16/2026": "12:00:00",
@@ -125653,7 +125596,6 @@
         "11/27/2025": "14:30:00",
         "11/28/2025": "14:45:00",
         "12/24/2025": "13:45:00",
-        "12/25/2025": "17:00:00",
         "12/31/2025": "17:00:00",
         "1/19/2026": "14:30:00",
         "2/16/2026": "14:30:00",
diff --git a/Tests/Common/Securities/MarketHoursDatabaseTests.cs b/Tests/Common/Securities/MarketHoursDatabaseTests.cs
index 06cdee271b8c..b0150169fc7e 100644
--- a/Tests/Common/Securities/MarketHoursDatabaseTests.cs
+++ b/Tests/Common/Securities/MarketHoursDatabaseTests.cs
@@ -237,6 +237,9 @@ public void CorrectlyReadsCMEGroupFutureEarlyCloses(string futureTicker, string
         [TestCase("BTC", Market.CME, "11/29/2024", "13:45:00", null)]
         [TestCase("CL", Market.NYMEX, "11/29/2024", "14:45:00", null)]
         [TestCase("GC", Market.COMEX, "11/29/2024", "14:45:00", null)]
+        [TestCase("ZN", Market.CBOT, "1/9/2025", "12:15:00", "17:00:00")]
+        [TestCase("ZC", Market.CBOT, "1/9/2025", "12:15:00", "19:00:00")]
+        [TestCase("YM", Market.CBOT, "1/9/2025", "09:30:00", "18:00:00")]
         public void CorrectlyReadsCMEGroupFutureShortenedSessions(string futureTicker, string market, string date, string earlyClose, string lateOpen)
         {
             var provider = MarketHoursDatabase.FromDataFolder();
@@ -262,6 +265,24 @@ public void CorrectlyReadsCMEGroupFutureShortenedSessions(string futureTicker, s
             Assert.AreEqual(lateOpenTime, exchangeHours.GetMarketHours(day).GetMarketOpen(earlyCloseTime, true));
         }
 
+        [TestCase("ES", Market.CME, "12/25/2025", false, true)]
+        [TestCase("CL", Market.NYMEX, "12/25/2025", false, true)]
+        [TestCase("ZN", Market.CBOT, "12/25/2025", false, true)]
+        [TestCase("GC", Market.COMEX, "1/9/2025", true, true)]
+        [TestCase("AW", Market.CBOT, "1/9/2025", false, false)]
+        public void CorrectlyReadsCMEGroupFutureSessionAvailability(string futureTicker, string market, string date, bool hasRegularSession, bool hasExtendedSession)
+        {
+            var provider = MarketHoursDatabase.FromDataFolder();
+            var ticker = OptionSymbol.MapToUnderlying(futureTicker, SecurityType.Future);
+            var future = Symbol.Create(ticker, SecurityType.Future, market);
+
+            var exchangeHours = provider.GetEntry(market, ticker, future.SecurityType).ExchangeHours;
+            var day = DateTime.Parse(date, CultureInfo.InvariantCulture);
+
+            Assert.AreEqual(hasRegularSession, exchangeHours.IsDateOpen(day));
+            Assert.AreEqual(hasExtendedSession, exchangeHours.IsDateOpen(day, true));
+        }
+
         /// <summary>
         /// An early close or a late open only says something about a day the exchange trades. Both get
         /// carried from one year to the next, and carrying them by calendar date rather than by trading

From 0a9c5854888cdccc1afd69b11959b6a611d184e7 Mon Sep 17 00:00:00 2001
From: Sasha <o.andriushchenko@geniusee.com>
Date: Fri, 18 Sep 2026 15:08:53 -0300
Subject: [PATCH 3/3] Assert shortened sessions on the resolved segments

A halt at the regular open, such as the equity index entries on
9 Jan 2025, leaves the date without a regular session, so
GetLastDailyMarketClose moves to the next trading day. Assert that
anchor only when the date keeps a regular session, and check the
early close and the reopen on the resolved segments for every case.
---
 Tests/Common/Securities/MarketHoursDatabaseTests.cs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Tests/Common/Securities/MarketHoursDatabaseTests.cs b/Tests/Common/Securities/MarketHoursDatabaseTests.cs
index b0150169fc7e..3472415cf116 100644
--- a/Tests/Common/Securities/MarketHoursDatabaseTests.cs
+++ b/Tests/Common/Securities/MarketHoursDatabaseTests.cs
@@ -252,15 +252,23 @@ public void CorrectlyReadsCMEGroupFutureShortenedSessions(string futureTicker, s
 
             Assert.IsFalse(exchangeHours.Holidays.Contains(day));
             Assert.AreEqual(earlyCloseTime, exchangeHours.EarlyCloses[day]);
-            Assert.AreEqual(day + earlyCloseTime, exchangeHours.GetLastDailyMarketClose(day, false));
 
+            // A halt at the regular open leaves no regular session, so the close anchor only exists on days that keep one
+            if (exchangeHours.IsDateOpen(day))
+            {
+                Assert.AreEqual(day + earlyCloseTime, exchangeHours.GetLastDailyMarketClose(day, false));
+            }
+
+            var segments = exchangeHours.GetMarketHours(day).Segments;
             if (lateOpen == null)
             {
                 Assert.IsFalse(exchangeHours.LateOpens.ContainsKey(day));
+                Assert.AreEqual(earlyCloseTime, segments.Last().End);
                 return;
             }
 
             var lateOpenTime = TimeSpan.Parse(lateOpen, CultureInfo.InvariantCulture);
+            Assert.AreEqual(earlyCloseTime, segments.Last(segment => segment.Start < lateOpenTime).End);
             Assert.AreEqual(lateOpenTime, exchangeHours.LateOpens[day]);
             Assert.AreEqual(lateOpenTime, exchangeHours.GetMarketHours(day).GetMarketOpen(earlyCloseTime, true));
         }