Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Etsy Inc (ETSY - Get Report), where a total volume of 15,477 contracts has been traded thus far today, a contract volume which is representative of approximately 1.5 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 87.4% of ETSY's average daily trading volume over the past month, of 1.8 million shares. Particularly high volume was seen for the $17.50 strike call option expiring November 17, 2017, with 13,520 contracts trading so far today, representing approximately 1.4 million underlying shares of ETSY. Below is a chart showing ETSY's trailing twelve month trading history, with the $17.50 strike highlighted in orange:

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

Alkermes plc ( ALKS) options are showing a volume of 5,002 contracts thus far today. That number of contracts represents approximately 500,200 underlying shares, working out to a sizeable 80.8% of ALKS's average daily trading volume over the past month, of 618,990 shares. Especially high volume was seen for the $50 strike call option expiring September 15, 2017, with 5,002 contracts trading so far today, representing approximately 500,200 underlying shares of ALKS. Below is a chart showing ALKS's trailing twelve month trading history, with the $50 strike highlighted in orange:

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And NewLink Genetics Corp ( NLNK) saw options trading volume of 3,563 contracts, representing approximately 356,300 underlying shares or approximately 75.6% of NLNK's average daily trading volume over the past month, of 471,320 shares. Especially high volume was seen for the $10 strike call option expiring September 15, 2017, with 2,081 contracts trading so far today, representing approximately 208,100 underlying shares of NLNK. Below is a chart showing NLNK's trailing twelve month trading history, with the $10 strike highlighted in orange:

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For the various different available expirations for ETSY options, ALKS options, or NLNK options, visit StockOptionsChannel.com.