Effective Sunday, December 4, 2011, for trade date Monday, December 5, 2011, the Commodity Exchange, Inc. (COMEX or Exchange) will expand the strike price listing rule for its Silver option contract (commodity code SO).
Also effective Sunday, December 4, 2011, for trade date Monday, December 5, 2011, the Exchange will amend Rule 116.02 (Trading Months of Silver Options) in order to clarify the contract month listing rule.
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