Nadex Adds Discretionary Strike Levels for the Week of February 17, 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 12.27, 12.19, 12.31, 12.37, 12.59, 12.61, 12.63, 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 Intraday 20-Minute Wall Street 30, US Tech 100, US 500, and US SmallCap 2000 Binary contracts, and in its Intraday 5-Minute USD/JPY, EUR/USD, GBP/USD, and AUD/USD Binary contracts each day from February 17th through the 20th.