CME Group announces that the Options on E-mini Standard and Poor’s 500 Stock Price Index Futures and Options on Standard and Poor's 500 Stock Index Futures Minimum Fluctuations language have been revised on Monday, May 23, 2011. The change does not substantively impact the Options on E-mini Standard and Poor's 500 Stock Price Index Futures and Options on Standard and Poor's 500 Stock Index Futures. The purpose of the change is to harmonize the exercise language used for options on equity index futures traded on the CME.
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