Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in PetMed Express Inc (PETS - Get Report), where a total of 1,053 contracts have traded so far, representing approximately 105,300 underlying shares. That amounts to about 70.1% of PETS's average daily trading volume over the past month of 150,265 shares. Especially high volume was seen for the $20 strike call option expiring May 20, 2016, with 975 contracts trading so far today, representing approximately 97,500 underlying shares of PETS. Below is a chart showing PETS's trailing twelve month trading history, with the $20 strike highlighted in orange:

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Coherus BioSciences Inc ( CHRS) options are showing a volume of 1,170 contracts thus far today. That number of contracts represents approximately 117,000 underlying shares, working out to a sizeable 69% of CHRS's average daily trading volume over the past month, of 169,540 shares. Particularly high volume was seen for the $17.50 strike put option expiring May 20, 2016, with 1,090 contracts trading so far today, representing approximately 109,000 underlying shares of CHRS. Below is a chart showing CHRS's trailing twelve month trading history, with the $17.50 strike highlighted in orange:

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And J.C. Penney Co., Inc. ( JCP) options are showing a volume of 81,712 contracts thus far today. That number of contracts represents approximately 8.2 million underlying shares, working out to a sizeable 64.1% of JCP's average daily trading volume over the past month, of 12.8 million shares. Particularly high volume was seen for the $8 strike call option expiring June 17, 2016, with 10,634 contracts trading so far today, representing approximately 1.1 million underlying shares of JCP. Below is a chart showing JCP's trailing twelve month trading history, with the $8 strike highlighted in orange:

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For the various different available expirations for PETS options, CHRS options, or JCP options, visit StockOptionsChannel.com.