Noteworthy Friday Option Activity: RILY, PLUG, ZS
October 15, 2021 at 15:26 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in B. Riley Financial Inc (RILY), where a total volume of 1,395 contracts has been traded thus far today, a contract volume which is representative of approximately 139,500 underlying shares (given that every 1 contract represents 100 underlying shares)..