Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Pinterest Inc (PINS), where a total volume of 319,085 contracts has been traded thus far today, a contract volume which is representative of approximately 31.9 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 229.1% of PINS's average daily trading volume over the past month, of 13.9 million shares..