OneChicago is an all-electronic exchange 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.
Peterffy was involved in the founding of the Boston Options Exchange (BOX). BOX is an automated stock exchange owned and operated by the TMX Group. As an equity options market, it provides electronic order matching services to stockbrokers and traders.