Nadex Adds Discretionary Strike Levels for the Week of January 19, 2016

Pursuant to Section 5c(c)(1) of the Commodity Exchange Act, and Commission Regulation §40.6(d)(2)(iv), and by the authority granted by Nadex Rules 12.20, 12.59, 12.61, 12.63, and 12.65, due to volatility in the underlying markets upon which the Nadex contracts are based, Nadex added additional strike levels on a discretionary basis in its Daily US SmallCap 2000 and US Tech 100 Binary contracts on January 19, 2016. Additionally, Nadex added discretionary strike levels in its Daily Bitcoin, US SmallCap 2000, US Tech 100, Wall Street 30, and US 500 Binary contracts on January 20, 2016. Nadex returned to its regular listing for these contracts on January 21, 2016. Finally, Nadex added additional discretionary strike levels in its Daily US Tech 100, Wall Street 30, US 500, US SmallCap 2000, and Bitcoin Binary contracts on January 22, 2016. Nadex also narrowed the strike interval width in its Daily Bitcoin contacts from 1.5 to 1. Nadex plans to return to its regular listing for all contracts on January 25, 2016.