In observance of the upcoming holiday, OneChicago will follow the schedule below, which is consistent with U.S. equity markets. OneChicago will be open on Wednesday, July 5, 2017.
| Date | Hours |
| Monday, July 3, 2017 |
Early close at 1200 CST for SSFs;
Calendar SSF spreads open until 1300 CST
Block reporting/trading open until 1300 CST
EFP reporting open until 1300 CST |
| Tuesday, July 4, 2017 |
Closed |
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