Nadex Amends Expiration Value Calculation Process for All Currency Products

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 amend its calculation process used to determine Expiration Value for all currency products as set forth in Rules 12.26 through 12.43. The calculation process is being amended to include consecutive duplicate bid/ask quotes in the data set to determine the 25 Midpoints used in calculation of the Expiration Value for all currency products. This submission would become effective on July 28, 2014.