Markets

Notable Wednesday Option Activity: GWRE, SRPT, ATHN

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Guidewire Software Inc (Symbol: GWRE), where a total volume of 4,114 contracts has been traded thus far today, a contract volume which is representative of approximately 411,400 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 117.5% of GWRE's average daily trading volume over the past month, of 350,210 shares. Particularly high volume was seen for the $55 strike put option expiring December 16, 2016 , with 1,870 contracts trading so far today, representing approximately 187,000 underlying shares of GWRE. Below is a chart showing GWRE's trailing twelve month trading history, with the $55 strike highlighted in orange:

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Sarepta Therapeutics Inc (Symbol: SRPT) options are showing a volume of 17,947 contracts thus far today. That number of contracts represents approximately 1.8 million underlying shares, working out to a sizeable 78.8% of SRPT's average daily trading volume over the past month, of 2.3 million shares. Especially high volume was seen for the $45 strike call option expiring January 20, 2017 , with 6,560 contracts trading so far today, representing approximately 656,000 underlying shares of SRPT. Below is a chart showing SRPT's trailing twelve month trading history, with the $45 strike highlighted in orange:

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And Athenahealth Inc (Symbol: ATHN) options are showing a volume of 4,582 contracts thus far today. That number of contracts represents approximately 458,200 underlying shares, working out to a sizeable 76.5% of ATHN's average daily trading volume over the past month, of 598,990 shares. Particularly high volume was seen for the $110 strike put option expiring January 20, 2017 , with 960 contracts trading so far today, representing approximately 96,000 underlying shares of ATHN. Below is a chart showing ATHN's trailing twelve month trading history, with the $110 strike highlighted in orange:

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For the various different available expirations for GWRE options , SRPT options , or ATHN 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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