Nadex Exempts Approved Market Makers from Position Limits in US Indice Binary Contracts and Add Alternative Position Limits

Pursuant to Section 5c(c)(1) of the Commodity Exchange Act, and Commission Regulation §40.6(a), Nadex amends its Rules 4.4 and 5.20 to exempt approved market makers engaged in bona fide market-making activity from the current position limits stated in the Wall Street 30, US 500, US Tech 100, and US SmallCap 2000 Binary Contracts, and implements a new Alternative Position Limit regime. These rule amendments will be effective for the start of business on trading day Monday, March 7, 2011.