C2 Options Exchange, an all-electronic exchange, is a wholly-owned subsidiary of CBOE Holdings, Inc. C2 operates under a separate exchange license with its own rules and access structure, employing a market model that provides a maker-taker fee schedule and a modified price-time matching algorithm for multiply-listed classes.

C2 Complex Order Book

Access C2 "COBWeb", the C2 Complex Order Book on the Web. Now you can generate the price and size of C2 top-of-the-book resting complex spread orders in real-time.