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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.

MannKind (MNKD): An investor closed a short position in the January 5 calls and rolled it up to the January 9 strike at a cost of $1.15. He or she probably owns shares and now has the right to sell them for $4 more. More than 31,000 contracts traded at both strikes. MNKD rose 18 percent to $6.32.

Huntsman (HUN): Some 22,000 June 19 calls were sold for $1.30 and an equal number of July 20 calls were bought for $1.15. Volume was below open interest in the 19s, indicating that a long position was closed and rolled to the higher strike. The investor collected a credit of $0.15 and has an additional month of upside exposure. HUN rose 0.20 percent to $19.75.

J.C. Penney (JCP): A block of 5,000 June 15 puts were bought as an investor positions for downside in the department-store operator. JCP rose 1.69 percent to $19.30.

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