Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Outbrain Inc (OB), where a total volume of 2,001 contracts has been traded thus far today, a contract volume which is representative of approximately 200,100 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 197.2% of OB's average daily trading volume over the past month, of 101,470 shares..