Nadex Adds Discretionary Strike Levels on August 11 and 12, 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 in 12.51, 12.59, 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 Tech 100, US 500, Wall Street 30, and Germany 30 Binary contracts on August 11. Additionally, Nadex added additional strike levels in its Daily US Tech 100, Wall Street 30, US 500, US SmallCap 2000, and Germany 30 Binary contracts on August 12, 2015. Nadex returned to its regular listing schedule for all contracts on Thursday, August 13, 2015.