Noteworthy Thursday Option Activity: BMRN, KBR, CPRI

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in BioMarin Pharmaceutical Inc (BMRN), where a total volume of 15,075 contracts has been traded thus far today, a contract volume which is representative of approximately 1.5 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 95.9% of BMRN's average daily trading volume over the past month, of 1.6 million shares..