Nadex Adds Discretionary Strike Levels, Widens Strike Width and Refrains from Listing Certain Japan 225 Intraday Contracts

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 12.20, 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 Bitcoin Binary contracts on November 3, 4, and 5, 2015 and in its Weekly Bitcoin Binary contracts for November 4, 5, and 6, 2015. Nadex returned to its regular listing schedule for its Daily Bitcoin Binary contracts on November 6, 2015. Nadex plans to return to its regular listing schedule for its Weekly Bitcoin Binary contracts on November 9, 2015.

Additionally, the strike width for all Daily Bitcoin Binary contracts was increased from 1.5 to 4 for all Daily contracts listed on trade date November 5, and 6, 2015.

Finally, Intraday 20-Minute Japan 225 Binary contracts which would have expired at 12:40am ET on trade date November 2, 2015, and Intraday 2-Hour Japan 225 Binary contracts which would have expired at 9:00pm, 10:00pm, 11:00pm, 12:00am, and 1:00am ET on November 2, 2015 were not listed. Nadex returned to its regular listing schedule for these contracts on November 3, 2015.