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Largest option trades 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.

Baidu (BIDU): An investor sold 4,100 January 115 calls for $28.25 and bought 6,300 January 140 calls for $13.55, apparently rolling a winning trade to the higher strike. BIDU rose 2.39 percent to $138.99.

Nokia (NOK): Some 20,000 January 4.50 calls were bought for $0.38 as investors position for continued upside in the mobile stock. NOK rose 1.21 percent to $4.19.

Yahoo (YHOO): Almost 10,000 January 30 calls were bought, mostly for $1.27, but volume was well below open interest at the strike. YHOO rose 0.33 percent to $27.57.

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