OneChicago is an electronic exchange providing futures on individual stocks, narrow-based indices, and ETFs. OneChicago is a joint venture of the following futures exchanges: Chicago Board Options Exchange (CBOE), Chicago Mercantile Exchange (CME) and Chicago Board of Trade (CBOT).

Data supplied includes Single Stock Futures from the OneChicago electronic exchange. A OneChicago single stock futures contract is an agreement for delivery of shares of a specific stock at a designated date in the future, called the expiration date. The size of a OneChicago single stock futures contract is 100 shares of the underlying stock.

For more information, see the links for Security Futures Overview and Expiration Dates on the OneChicago website. Visit the OneChicago website at: www.onechicago.com.