Noteworthy Friday Option Activity: BIO, SSTK, MCD

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Bio-Rad Laboratories Inc (BIO), where a total volume of 4,860 contracts has been traded thus far today, a contract volume which is representative of approximately 486,000 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 351.7% of BIO's average daily trading volume over the past month, of 138,185 shares..