As of today's market close, here are the top 10 names showing unusual option activity on tradeMONSTER's LiveAction data system.
Odyssey Marine (OMEX): Option volume 3,564 percent above average. An investor sold 3,500 March 2.50 puts for $0.70 and bought an equal number of October 2.50 puts for $0.25, looking for the stock to hold its ground. There was further activity scattered throughout the session. OMEX fell 33 percent to $2.16.
Orexigen Therapeutics (OREX): Option volume 3,311 percent above average. Investors bought and sold calls and puts as the stock ripped higher. OREX rose 49 percent to $2.19.
Goodrich (GR): Option volume 2,185 percent above average. An investor bought some 4,600 October 100 puts for about $2.75 and sold a matching number of October 90 puts for $0.75, looking for downside. GR fell 2.08 percent to $109.49.
James River Coal (JRCC): Option volume 1,516 percent above average. Investors bought more than 9,000 October 10 calls, looking for upside. JRCC fell 15 percent to $7.74.
Newcastle Investment (NCT): Option volume 1,350 percent above average. More than 4,000 October 7.50 puts were bought for about $3 as an investor looked for shares to push lower. NCT fell 7.14 percent to $4.55.
Rounding out the rest of the top 10:
- Ultra Petroleum (UPL): Option volume 1,324 percent above average.
- Sturm Ruger (RGR): Option volume 921 percent above average.
- Dish Network (DISH): Option volume 904 percent above average.
- Manitowoc (MTW): Option volume 876 percent above average.
- Range Resources (RRC): Option volume 873 percent above average.

(Chart courtesy of tradeMONSTER )
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The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.
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