Nadex Adds Additional Strike Levels on a Discretionary Basis in its US Indices Intraday Binary Contracts for the Week of October 13, 2014

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 12.59, 12.61, 12.63, and 12.65 Nadex added additional strike levels on a discretionary basis in its Intraday US Tech 100, US 500, Wall Street 30, and US SmallCap 2000 Binary Contracts with expirations each hour from 10:00AM to 4:00PM ET from October 14 through October 17, 2014. In addition, Nadex amended the strike width of certain discretionary strikes, also due to volatility in the underlying market. On October 15, 2014 the US 500 Intraday Binary Contract strike width was changed from 1.5 to 2 for the 4:00pm expiration time. On October 16, 2014 the US 500 Intraday Binary Contract strike width was changed from 1.5 to 2.7 for the 10:00am through 2:00pm expirations, and from 1.5 to 2 for the 3:00pm and 4:00pm expirations. On October 16, 2014 the Wall Street 30 Intraday Binary Contract strike width was changed from 12 to 20 for the 10:00am through 2:00pm expirations, and from 12 to 16 for the 3:00pm and 4:00pm expirations. Also on that day, all US Tech 100 Intraday Binary Contract strike width was changed from 4 to 6, and all US SmallCap 2000 Intraday Binary Contract strike width changed from 1.4 to 2. Finally, on October 17, 2014, the US Tech 100 Intraday Binary Contract strike width changed from 4 to 6 for the 10:00am, 2:00pm, 3:00pm, and 4:00pm expirations. Likewise, the US SmallCap 2000 Intraday Binary Contract strike width changed from 1.4 to 2 for the 10:00am, 2:00pm, 3:00pm, and 4:00pm expirations.

Nadex plans to return to its regular listing schedule and strike widths for these contracts on October 20, 2014.