Top 10 list of unusual option activity

By David Russell,

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Nearing the halfway mark in today's session, here are the top 10 names showing unusual option activity on tradeMONSTER's LiveAction data system.

Gildan Activewear (GIL): 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 (ESRX): Option volume 719 percent above average. An investor bought 10,000 January 2013 60 calls for $6.45 and sold and 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.

Athenahealth (ATHN): 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 (ACTG): 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 (CPX): 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 are:

  • Travelzoo (TZOO): Option volume 595 percent above average.
  • Edwards Lifesciences (EW): Option volume 545 percent above average.
  • Entregris (ETG): Option volume 526 percent above average.
  • Collective Brands (PSS): Option volume 507 percent above average.
  • Polycom (PLCM): Option volume 500 percent above average.

TM Unusual Activity

(Chart courtesy of tradeMONSTER)

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.

Copyright © 2010 OptionMonster® Holdings, Inc. All Rights Reserved.

This article appears in: Investing Options
Referenced Stocks: ACTG , ATHN , CPX , ESRX , GIL

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