Nadex Adds Discretionary Strike Levels

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 12.5, 12.7, 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 Wall Street 30 and US Tech 100 Binary contracts on December 15, 2015. Nadex returned to its regular listing for these contracts on December 16, 2015. Nadex also added discretionary strikes in its Daily US Tech 100, Gold, and Silver Binary contracts on December 17, 2015. Finally, Nadex listed discretionary strikes in its Daily US Tech 100, Wall Street 30, Gold, and Silver Binary contracts on December 18, 2015 due to volatility in the underlying market upon which these contracts are based. Nadex plans to return to its regular listing schedule for these contracts on December 21, 2015.