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Noteworthy Wednesday Option Activity: PII, ALNY, GPI

Various market performance charts

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Polaris Industries Inc. (Symbol: PII), where a total volume of 2,965 contracts has been traded thus far today, a contract volume which is representative of approximately 296,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 51% of PII's average daily trading volume over the past month, of 581,365 shares. Especially high volume was seen for the $95 strike put option expiring October 20, 2017 , with 1,029 contracts trading so far today, representing approximately 102,900 underlying shares of PII. Below is a chart showing PII's trailing twelve month trading history, with the $95 strike highlighted in orange:

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Alnylam Pharmaceuticals Inc (Symbol: ALNY) saw options trading volume of 3,667 contracts, representing approximately 366,700 underlying shares or approximately 50.6% of ALNY's average daily trading volume over the past month, of 724,410 shares. Especially high volume was seen for the $65 strike put option expiring October 20, 2017 , with 1,455 contracts trading so far today, representing approximately 145,500 underlying shares of ALNY. Below is a chart showing ALNY's trailing twelve month trading history, with the $65 strike highlighted in orange:

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And Group 1 Automotive, Inc. (Symbol: GPI) options are showing a volume of 1,322 contracts thus far today. That number of contracts represents approximately 132,200 underlying shares, working out to a sizeable 50% of GPI's average daily trading volume over the past month, of 264,315 shares. Particularly high volume was seen for the $60 strike call option expiring October 20, 2017 , with 1,250 contracts trading so far today, representing approximately 125,000 underlying shares of GPI. Below is a chart showing GPI's trailing twelve month trading history, with the $60 strike highlighted in orange:

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For the various different available expirations for PII options , ALNY options , or GPI options , visit StockOptionsChannel.com.

Today's Most Active Call & Put Options of the S&P 500 »

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.


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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