Noteworthy Wednesday Option Activity: GRPN, BRKL, MSTR

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Groupon Inc (GRPN), where a total volume of 22,691 contracts has been traded thus far today, a contract volume which is representative of approximately 2.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 246.1% of GRPN's average daily trading volume over the past month, of 921,920 shares..