Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Globant SA (GLOB - Get Report), where a total volume of 1,187 contracts has been traded thus far today, a contract volume which is representative of approximately 118,700 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 50.3% of GLOB's average daily trading volume over the past month, of 235,940 shares. Particularly high volume was seen for the $40 strike call option expiring July 15, 2016, with 1,183 contracts trading so far today, representing approximately 118,300 underlying shares of GLOB. Below is a chart showing GLOB's trailing twelve month trading history, with the $40 strike highlighted in orange:

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Dynavax Technologies Corp ( DVAX) options are showing a volume of 2,515 contracts thus far today. That number of contracts represents approximately 251,500 underlying shares, working out to a sizeable 43.5% of DVAX's average daily trading volume over the past month, of 578,055 shares. Particularly high volume was seen for the $16 strike call option expiring August 19, 2016, with 2,500 contracts trading so far today, representing approximately 250,000 underlying shares of DVAX. Below is a chart showing DVAX's trailing twelve month trading history, with the $16 strike highlighted in orange:

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And Scientific Games Corp ( SGMS) options are showing a volume of 2,741 contracts thus far today. That number of contracts represents approximately 274,100 underlying shares, working out to a sizeable 43.3% of SGMS's average daily trading volume over the past month, of 633,345 shares. Particularly high volume was seen for the $11 strike put option expiring August 19, 2016, with 2,265 contracts trading so far today, representing approximately 226,500 underlying shares of SGMS. Below is a chart showing SGMS's trailing twelve month trading history, with the $11 strike highlighted in orange:

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