The OneChicago (OCX) is an electronic futures exchange which facilitates trades in single-stock futures. Since it was founded by the Chicago Board Options Exchange (CBOE) and the Chicago Mercantile Exchange (CME Group) in 2002, OneChicago has shown significant growth in the volume of single-stock futures transactions traded on the exchange.
Trading hours SFF Market: Monday through Friday 8:30 a.m. to 3:00 p.m CT (UTC-6)
Trading hours SSF Spread Markets: Monday through Friday 8:30 a.m. to 4:00 p.m CT
Trading hours Block and ETP Trade Reporting: Monday through Friday 7:00 a.m. to 4:00 p.m CT
Settlement cycle: T+3