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.
Staples (SPLS): More than 31,000 September 15 calls were bought for $0.70 to $0.80 as bullish activity continues in the office supplier. SPLS rose 0.59 percent to $13.74.
Red Hat (RHT): A block of 10,000 February 57.50 calls was bought for $0.40. A large block of shares was sold seconds later, indicating the use of a delta-neutral strategy. RHT fell 0.84 percent to $54.60.
Halozyme (HALO): More than 5,800 March 7.50 puts were sold and rolled to the June 7.50 puts as an investor extended a protective position in the developer of biopharmaceutical products. HALO rose 0.87 percent to $8.10.
Anadarko Petroleum (APC): Some 15,000 March 75 calls were bought for $7.25, but volume was far below open interest at the strike. APC fell 0.26 percent to $80.35.
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