Midday Unusual Options Activity Update: STJ, ALXA, AONE, KORS, NAV, ATVI, VOD
Implied Volatility Mover
Implied volatility in the options on St. Jude Medical (STJ) is moving higher Tuesday. Shares of the medical-device maker lost $2.22 to $36.32 in active trading approaching 5 million shares. The stock is under pressure and options volume is running 4X the daily average. 5,475 puts and 1,245 calls traded on St. Jude so far. Meanwhile, levels of implied volatility jumped 20 percent to 36.
Volume Signals
Alexa Pharmaceuticals (ALXA) options volume is running 8.5X the (22-day) average, with 25,000 contracts traded and call volume accounting for 100 percent of the volume.
A123 Systems (AONE) options volume is 45X the average daily, with 25,000 contracts traded and call volume representing for 75 percent of the activity.
Michael Kors (KORS) options volume is running 4X the average daily, with 25,000 contracts traded and call volume accounting for 63 percent of the activity.
Increasing options activity is also being seen in Navistar (NAV), Activision Blizzard (ATVI), and Vodafone (VOD).
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