As of today's market close, here are the top 10 names showing
unusual option activity on tradeMONSTER's LiveAction data
Philadelphia SE Oil Service Index (OSX): Option volume 2,837
percent above average. Positions in the December 180 puts and the
December 200 puts were rolled to the December 150 puts and December
170 puts. OSX rose 3.47 percent to $188.34.
Affymetrix (AFFX): Option volume 1,561 percent above average. About
3,800 November 5 puts were bought for $0.60 against existing open
interest. AFFX rose 9.92 percent to $5.21.
Comtech Telecommunications (CMTL): Option volume 1,238 percent
above average. About 1,500 October 27.50 puts were sold against
existing open interest. CMTL rose 2.79 percent to $27.97.
Omnicare (OCR): Option volume 1,192 percent above average. More
than 2,000 November 23 puts were bought as investors positioned for
downside. OCR fell 12 percent to $21.62,
TCF Financial (TCB): Option volume 1,177 percent above average. The
January 9 puts and the October 12 puts traded heavily against
existing open interest. TCB rose 5.23 percent to $9.25.
Rounding out the top 10 are:
(Chart courtesy of
- Interactive Brokers (IBKR): Option volume 1,142 percent above
- PharMerica (PMC): Option volume 1,109 percent above
- United Online (UNTD): Option volume 894 percent above
- Dish Network (DISH): Option volume 879 percent above
- Tenneco (TEN): Option volume 851 percent above average.