OneChicago was a US-based all-electronic futures exchange with headquarters in Chicago, Illinois. The exchange offered approximately 12,509 single-stock futures (SSF) products with names such as IBM, Apple and Google. All trading was cleared through Options Clearing Corporation (OCC). The OneChicago exchange closed in September 2020. The exchange was owned jointly by IB Exchange Group (IB), CBOE Holdings, and CME Group. It was a privately held company that was regulated by both the Securities and Exchange Commission and the Commodity Futures Trading Commission.