Nadex Adds Strikes and Amends Strike Width in its US Indices and Certain Currency Intraday Binary Contracts

Pursuant to Section 5c(c)(1) of the Commodity Exchange Act, and Commission Regulation §40.6(a), Nadex has submitted to the Commission its intent to add six additional strike levels to each US Indice Intraday Binary contract, as well as to the AUD/USD, EUR/USD, USD/CHF, and USD/JPY Intraday Binary contracts. This filing also amends the strike width interval in these markets in order to maximize the availability of tradable contracts. This submission would become effective on August 11, 2014