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Update: Top unusual option activity

By: optionMONSTER
Posted: 8/17/2011 4:43:00 PM
Referenced Stocks: FINL;FLML;HAR;LOGI;VNQ

As of today's market close, here are the top 10 names showing unusual option activity on tradeMONSTER's LiveAction data system.

Flamel Technologies (FLML): Option volume 3,025 percent above average. A short position in the August 2.05 calls was rolled to the September 2.50 strike for a credit of $0.07. FLML declined 2.59 percent to $4.14.

Finish Line (FINL): Option volume 2,685 percent above average. Large blocks were purchased in the November 22.50 calls for $0.75 and the November 25 calls for $0.40. FINL dropped 3.55 percent to $18.48.

Harman (HAR): Option volume 1,802 percent above average. Call volume surged as investors looked to reap the quarterly dividend.

Vanguard REIT (VNQ): Option volume 1,531 percent above average. A block of 9,000 September 52 puts was bought for $0.85 and $0.90 but volume was below open interest. VNQ rose 0.28 percent to $56.78.

Logitech International (LOGI): Option volume 1,381 percent above average. More than 1,000 September 12.50 puts were bought against open interest. LOGI rose 0.33 percent to $9.18.

Rounding out the rest of the top 10 are:

Unusual Activity

(Chart courtesy of tradeMONSTER)