CHICAGO, IL -- (PRNewswire) Eris Exchange announced that open interest in its USD Interest Rate Swap Futures products surpassed $10,000,000,000 in notional value, equivalent to 100,000 contracts, on Friday, February 21, 2014. The Exchange achieved this major milestone just days after the highly anticipated first day of mandatory trading of interest rate swaps on Swap Execution Facilities in U.S. markets.