Nadex Adds Discretionary Strike Levels on October 7, 2015

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 12.59, 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 500, US SmallCap 2000, US Tech 100, and Wall Street 30 Binary contracts on October 7, 2015 due to volatility in the underlying markets. Nadex returned to its regular listing schedule for these contracts on October 8, 2015.