Noteworthy Friday Option Activity: BIOS, ELLI, RRGB

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in BioScrip Inc (BIOS), where a total volume of 5,006 contracts has been traded thus far today, a contract volume which is representative of approximately 500,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 76.5% of BIOS's average daily trading volume over the past month, of 654,660 shares..