Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Twilio Inc (TWLO), where a total volume of 12,616 contracts has been traded thus far today, a contract volume which is representative of approximately 1.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 49.7% of TWLO's average daily trading volume over the past month, of 2.5 million shares..

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