Notable Tuesday Option Activity: BIO, OXY, OLED

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 1,151 contracts has been traded thus far today, a contract volume which is representative of approximately 115,100 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 48.6% of BIO's average daily trading volume over the past month, of 236,825 shares..