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Largest option trades in equities

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.

Melco Crown Entertainment (MPEL): More than 9,000 October 32 calls were bought, mostly for $0.65, as investors look for the Macau casino company to keep running. MPEL rose 3.75 percent to $30.43.

Citigroup (C): More than 10,000 November 57.50 calls were purchased, mostly for $0.35, as investors look for upside in the share price. C rose 2.58 percent to $51.38.

Yahoo (YHOO): Traders snapped up the January 32 calls for $1.37 and the January 34 calls for $0.85, but volume was below open interest in both. YHOO rose 0.99 percent to $29.53.

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