Nadex Decreases AUD/USD Strike Width and Adds Discretionary Strikes

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, 12.29, 12.31, 12.37, 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 Intraday 20-Minute Wall Street 30, US Tech 100, US 500, and US SmallCap 2000 Binary contracts on February 2 - 6, 2015. Additionally, Nadex added additional strike levels on a discretionary basis due to volatility in the underlying markets in its Intraday 5-Minute EUR/USD Binary contracts on February 3, in its Intraday 5-Minute USD/JPY, and EUR/USD Binary contracts on February 4, in its Intraday 5-Minute USD/JPY, EUR/USD, GBP/USD, and AUD/USD Binary contracts on February 5, and in its Intraday 5-Minute USD/JPY, EUR/USD, GBP/USD, and AUD/USD Binary contracts on February 6, 2015. Nadex also added discretionary strikes in its Daily US Tech 100 Binary contracts on February 6, 2015.

Nadex has also decreased the strike interval width in its Intraday 5-Minute AUD/USD Binary contracts, as set forth in Rule 12.27, from 0.0004 to 0.0003 beginning on Monday, February 9, 2015.