Noteworthy Wednesday Option Activity: GBT, CARA, DAR
June 27, 2018 at 15:17 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Global Blood Therapeutics Inc (GBT), where a total volume of 33,042 contracts has been traded thus far today, a contract volume which is representative of approximately 3.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 295.9% of GBT's average daily trading volume over the past month, of 1.1 million shares..