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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.

Bank of America (BAC): About 55,000 May 7 puts traded, mostly for $0.10, as investors seek protection on the stock. BAC fell 1.20 percent to $8.26.

Barnes & Noble (BKS): An investor bought the July 15 calls for4 $0.65 and sold an equal number of January 20 calls for $0.60. Known as a diagonal spread, it will leverage a finite move in the stock. BKS rose 6.17 percent to $12.04.

Chesapeake (CHK): Some 14,000 contracts traded in the weekly 18 calls, which expire this Friday. Most of the large blocks priced for $0.32 to $0.45, and investors are looking for upside in the stock. CHK rose 1.78 percent to $17.75.

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