Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in SoFi Technologies Inc (SOFI), where a total volume of 192,910 contracts has been traded thus far today, a contract volume which is representative of approximately 19.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 43.7% of SOFI's average daily trading volume over the past month, of 44.1 million shares..