Dennis Dutterer's resignation as president and chief executive of the Clearing Corporation, the independent US futures clearing house, could put pressure on Eurex US, the struggling North American exchange.

The Swiss-German-owned exchange precipitated a change in CCorp's fortunes when it entered the US in 2003. Eurex's rival, the Chicago Board of Trade, which accounted for almost 90% of CCorp's revenue, discovered the clearer's intent to begin clearing for Eurex, and thus transferred its business away from CCorp to the Chicago Mercantile Exchange.