Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in ARIAD Pharmaceuticals Inc (ARIA), where a total of 23,103 contracts have traded so far, representing approximately 2.3 million underlying shares. That amounts to about 67.5% of ARIA's average daily trading volume over the past month of 3.4 million shares. Particularly high volume was seen for the $23 strike put option expiring May 19, 2017, with 2,268 contracts trading so far today, representing approximately 226,800 underlying shares of ARIA. Below is a chart showing ARIA's trailing twelve month trading history, with the $23 strike highlighted in orange:

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Del Frisco's Restaurant Group Inc ( DFRG) saw options trading volume of 1,247 contracts, representing approximately 124,700 underlying shares or approximately 62.9% of DFRG's average daily trading volume over the past month, of 198,215 shares. Especially high volume was seen for the $15 strike put option expiring January 20, 2017, with 844 contracts trading so far today, representing approximately 84,400 underlying shares of DFRG. Below is a chart showing DFRG's trailing twelve month trading history, with the $15 strike highlighted in orange:

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And Acuity Brands Inc ( AYI) options are showing a volume of 3,138 contracts thus far today. That number of contracts represents approximately 313,800 underlying shares, working out to a sizeable 62% of AYI's average daily trading volume over the past month, of 505,860 shares. Particularly high volume was seen for the $210 strike call option expiring January 20, 2017, with 550 contracts trading so far today, representing approximately 55,000 underlying shares of AYI. Below is a chart showing AYI's trailing twelve month trading history, with the $210 strike highlighted in orange:

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For the various different available expirations for ARIA options, DFRG options, or AYI options, visit StockOptionsChannel.com.