Notable Monday Option Activity: GBT, RAMP, VOYA
February 11, 2019 at 15:16 PM EST
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 6,708 contracts has been traded thus far today, a contract volume which is representative of approximately 670,800 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 117.7% of GBT's average daily trading volume over the past month, of 570,145 shares..