Nearing the halfway mark in today's session, here are the top 10
names showing unusual option activity on tradeMONSTER's LiveAction
Assuarant (AIZ): Option volume 1,851 percent above average. An
investor rolled 1,875 September 32.50 calls to the September 30
strike at a net cost of $2.10, hoping for upside. AIZ fell 2.81
percent to $32.87.
Armstrong World Holdings (AWI): Option volume 1,045 percent above
average. The September 35 puts and September 40 puts traded heavily
against existing open interest. AWI fell 2.24 percent to $33.17.
Affymax (AFFY): Option volume 816 percent above average. An
investor sold 2,250 October 5 calls for $0.70 and $0.65, calling a
top in the drug developer. AFFY fell 6.94 percent to $4.83.
Vornado Realty (VNO): Option volume 637 percent above average. A
short position in the September 80 puts was rolled to the September
75 strike. VNO fell 2.83 percent to $77.82.
Exeter Resource (XRA): Option volume 600 percent above average. The
February 5 calls and the August 5 calls traded against heavy open
interest. XRA rose 0.71 percent to $4.11.
Rounding out the rest of the top 10 are:
(Chart courtesy of tradeMONSTER)
- WR Grace (GRA): Option volume 572 percent above average.
- Virgin Media (VMED): Option volume 518 percent above
- Genworth Financial (GNW): Option volume 509 percent above
- Freescale Semiconductor Holdings (FSL): Option volume 499
percent above average.
- Williams Partners (WPZ): Option volume 480 percent above
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