Update: Top unusual option activity

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Ziopharm Oncology (ZIOP): Option volume 2,465 percent above average. An investor sold the January 5 calls and bought the October 5 calls, apparently rolling a short position. The October 4 puts also traded against open interest. ZIOP rose 0.23 percent to $4.44.

CenterPoint Energy (CNP): Option volume 2,016 percent above average. The November 22.50 calls and November 20 calls traded heavily against existing open interest. CNP rose 4.39 percent to $19.96.

Affymax (AFFY): Option volume 1,687 percent above average. An investor sold the November 5 puts for $0.50 against existing open interest. AFFX rose 1.69 percent to $5.10.

Realty Income (O): Option volume 1,654 percent above average. Positions were opened in the December 30 puts and the December 35 calls. O rose 0.66 percent to $33.58.

NetSuit (N): Option volume 1,534 percent above average. Unusual activity was detected in the November 30 puts, the January 25 calls and the January 30 calls. N fell 2.94 percent to $28.39.

Rounding out the top 10 were:

  • Focus Media (FMCN): Option volume 1,164 percent above average.
  • BioDelivery Sciences International (BDSI): Option volume 914 percent above average.
  • Family Dollar (FDO): Option volume 771 percent above average.
  • Coventry Health (CVH): Option volume 745 percent above average.
  • Interpublic Group (IPG): Option volume 737 percent above average.

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 The NASDAQ OMX Group, Inc.

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This article appears in: Investing , Options

Referenced Stocks: AFFY , CNP , N , O , ZIOP

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113,590,482
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57,689,941
  • $94.67 ▼ 0.37%
51,501,990
  • $3.31 ▼ 2.07%
46,645,770
  • $96.13 ▲ 0.55%
42,212,567
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39,428,076
  • $25.35 ▲ 0.80%
36,799,747
    $37 unch
36,459,390
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As of 8/1/2014, 04:03 PM