Nadex Amends Rule Language for RBOB and Korea 200 Contracts

Pursuant to Section 5c(c)(1) of the Commodity Exchange Act, and Commission Regulation §40.6(a), and effective at the start of business on Monday, September 28, 2009. Nadex amends a text and numbering error for the RBOB Variable Payout Contracts, the position limit and reportable level for the RBOB Binary Contracts and the position limit for the Korea 200 Variable Payout Contracts, as represented in Rules 12.44, 12.45, and 12.83 respectively.