Nearing the halfway mark in today's session, here are the individual equity names with unusual option activity on optionMONSTER's ActionTracker data system.
Sirius XM (SIRI): Traders sold 20,000 February 4 calls for $0.14, betting upside will be limited in the satellite-media stock. SIRI was unchanged at $4.
Brookdale Senior Living (BKD): About 4,500 January 20 calls were sold, mostly for $0.35, but volume was below open interest at the strike. BKD rose 0.95 percent to $18.14.
Hasbro (HAS): A block of 17,060 January 70 puts was sold for $4.85 and an equal number of February 65 puts were bought for $3.50. Volume was below open interest in the shorter-dated contracts, which indicates an existing position was rolled forward in time. HAS rose 1.22 percent to $66.11.
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