Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Invitae Corp (NVTA - Get Report), where a total volume of 1,213 contracts has been traded thus far today, a contract volume which is representative of approximately 121,300 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 52.3% of NVTA's average daily trading volume over the past month, of 232,110 shares. Particularly high volume was seen for the $12.50 strike call option expiring September 15, 2017, with 1,020 contracts trading so far today, representing approximately 102,000 underlying shares of NVTA. Below is a chart showing NVTA's trailing twelve month trading history, with the $12.50 strike highlighted in orange:

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Gogo Inc ( GOGO) options are showing a volume of 8,420 contracts thus far today. That number of contracts represents approximately 842,000 underlying shares, working out to a sizeable 49.8% of GOGO's average daily trading volume over the past month, of 1.7 million shares. Especially high volume was seen for the $12 strike put option expiring May 19, 2017, with 4,251 contracts trading so far today, representing approximately 425,100 underlying shares of GOGO. Below is a chart showing GOGO's trailing twelve month trading history, with the $12 strike highlighted in orange:

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And NU Skin Enterprises, Inc. ( NUS) saw options trading volume of 8,340 contracts, representing approximately 834,000 underlying shares or approximately 49% of NUS's average daily trading volume over the past month, of 1.7 million shares. Especially high volume was seen for the $50 strike put option expiring May 19, 2017, with 7,857 contracts trading so far today, representing approximately 785,700 underlying shares of NUS. Below is a chart showing NUS's trailing twelve month trading history, with the $50 strike highlighted in orange:

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For the various different available expirations for NVTA options, GOGO options, or NUS options, visit StockOptionsChannel.com.