With the trading day half over, here’s a look at some of the unusual option activity on tradeMONSTER’s LiveAction data system.
Gildan Activewear (NYSE: ): Option volume 853 percent above average. There was heavy buying and selling in the August 30 puts for $0.60 to $0.75. GIL declined 2.04 percent to $32.12.
Express Scripts (NASDAQ: ): Option volume 719 percent above average. An investor bought 10,000 January 2013 60 calls for $6.45 and sold an equal number of January 2013 70 calls for $2.95, looking for a long-term rally in the shares. ESRX rose 3.55 percent to $57.32.
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Athenahealth (NASDAQ: ): Option volume 709 percent above average. Investors sold the September 65 calls, looking for limited further upside in the stock. ATHN popped 17 percent to $56.78.
Acacia Research (NASDAQ: ): Option volume 663 percent above average. Investors bought the August 40 calls and sold the August 47.50s. ACTG rose 7.98 percent to $44.90.
Complete Production Services (NYSE: ): Option volume 638 percent above average. Investors bought the August 45 puts and sold the August 40 calls against open interest. CPX rose 3.84 percent to $39.45.
Rounding out the rest of the top 10 were:
- Travelzoo (NASDAQ: ): Option volume 595 percent above average.
- Edwards Lifesciences (NYSE: ): Option volume 545 percent above average.
- Entegris (NASDAQ: ): Option volume 526 percent above average.
- Collective Brands (NYSE:): Option volume 507 percent above average.
- Polycom (NASDAQ: ): Option volume 500 percent above average.
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