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