Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Coherus BioSciences Inc (CHRS - Get Report), where a total of 1,527 contracts have traded so far, representing approximately 152,700 underlying shares. That amounts to about 43.6% of CHRS's average daily trading volume over the past month of 350,515 shares. Especially high volume was seen for the $25 strike put option expiring November 18, 2016, with 627 contracts trading so far today, representing approximately 62,700 underlying shares of CHRS. Below is a chart showing CHRS's trailing twelve month trading history, with the $25 strike highlighted in orange:

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Foundation Medicine Inc ( FMI) options are showing a volume of 615 contracts thus far today. That number of contracts represents approximately 61,500 underlying shares, working out to a sizeable 43.5% of FMI's average daily trading volume over the past month, of 141,225 shares. Especially high volume was seen for the $40 strike call option expiring February 17, 2017, with 500 contracts trading so far today, representing approximately 50,000 underlying shares of FMI. Below is a chart showing FMI's trailing twelve month trading history, with the $40 strike highlighted in orange:

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And Universal Display Corp ( OLED) options are showing a volume of 2,496 contracts thus far today. That number of contracts represents approximately 249,600 underlying shares, working out to a sizeable 42.7% of OLED's average daily trading volume over the past month, of 584,580 shares. Especially high volume was seen for the $50 strike put option expiring November 18, 2016, with 1,727 contracts trading so far today, representing approximately 172,700 underlying shares of OLED. Below is a chart showing OLED's trailing twelve month trading history, with the $50 strike highlighted in orange:

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For the various different available expirations for CHRS options, FMI options, or OLED options, visit StockOptionsChannel.com.