A Single Stock Future (SSF) is a financial derivative that provides delta exposure to the movements of an underlying stock. Access to SSF products is gained through the Delta1 Trading Platform, with SSFs on more than 1,800 US listed securities.
Delta1 is OneChicago's electronic trading platform that provides for trading various flavors of the exchange's cleared future products. These are called instruments. An instrument serves as the mechanism by which users can enter orders and report trades to the exchange, each resulting in 1 or many combinations of cleared futures.