Nearing the halfway mark in today's session, here are the top 10 names showing unusual option activity on tradeMONSTER's LiveAction data system.
Goodrich (GR): Option volume 1,084 percent above average. Investors bought calls and sold puts one day after the stock rallied on takeover speculation. GR fell 2.14 percent to $105.30.
Healthsouth (HLS): Option volume 765 percent above average. Investors purchased about 1,100 October 15 calls for $1.45 to $1.60, looking for a rebound. HLS plunged 14 percent to $15.46.
Jefferies (JEF): Option volume 745 percent above average. More than 3,000 October 14 puts were bought for $0.75 and $0.80 as investors looked for downside. JEF rose 3.26 percent to $14.58.
PowerShares DB Oil (DBO): Option volume 592 percent above average. Investors sold the October 25 puts and the November 25 puts, looking for the fund to hold its ground. DBO rose 1.34 percent to $25.63.
Tenneco (TEN): Option volume 513 percent above average. More than 1,900 October 32 puts were sold for $2.25 to $2.40 as investors looked for shares to hold their ground. TEN rose 0.58 percent to $31.27.
Rounding out the rest of the top 10:
- Janus Capital (JNS): Option volume 508 percent above average.
- Ball (BLL): Option volume 395 percent above average.
- CoreLogic (CLGX): Option volume 380 percent above average.
- Rackspace (RAX): Option volume 352 percent above average.
- Carnival (CCL): Option volume 312 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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