Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Nymox Pharmaceutical Corp (NYMX - Get Report), where a total of 716 contracts have traded so far, representing approximately 71,600 underlying shares. That amounts to about 80.6% of NYMX's average daily trading volume over the past month of 88,800 shares. Particularly high volume was seen for the $4 strike put option expiring September 15, 2017, with 252 contracts trading so far today, representing approximately 25,200 underlying shares of NYMX. Below is a chart showing NYMX's trailing twelve month trading history, with the $4 strike highlighted in orange:

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GNC Holdings Inc ( GNC) saw options trading volume of 13,426 contracts, representing approximately 1.3 million underlying shares or approximately 76% of GNC's average daily trading volume over the past month, of 1.8 million shares. Especially high volume was seen for the $15 strike call option expiring October 20, 2017, with 5,000 contracts trading so far today, representing approximately 500,000 underlying shares of GNC. Below is a chart showing GNC's trailing twelve month trading history, with the $15 strike highlighted in orange:

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And Entercom Communications Corp ( ETM) saw options trading volume of 2,070 contracts, representing approximately 207,000 underlying shares or approximately 66.3% of ETM's average daily trading volume over the past month, of 312,340 shares. Especially high volume was seen for the $15 strike call option expiring October 20, 2017, with 1,000 contracts trading so far today, representing approximately 100,000 underlying shares of ETM. Below is a chart showing ETM's trailing twelve month trading history, with the $15 strike highlighted in orange:

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For the various different available expirations for NYMX options, GNC options, or ETM options, visit StockOptionsChannel.com.