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Largest option buying in equities so far

David Russell (david.russell@optionmonster.com)

Nearing the halfway mark in today's session, here are the individual equity names with the most call and put buying on optionMONSTER's ActionTracker data system.

Cicso Systems (CSCO): Some 10,000 January 19 calls were purchased, mostly for $0.40, as investors position for the blue-chip tech stock to rally. CSCO rose 1.84 percent to $18.82.

Research in Motion (RIMM): Traders bought more than 11,000 March 18 calls, mostly for $0.47 to $0.47, looking for upside in the share price. RIMM is up 14 percent to $11.67.

Bank of America (BAC): More than 12,000 December 9 puts traded for $0.08 and $0.09, but volume was far below open interest at the strike. BAC rose 1.07 percent to $9.87.

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