Notable Tuesday Option Activity: FGEN, CBRL, STZ
December 18, 2018 at 15:18 PM EST
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in FibroGen Inc (FGEN), where a total volume of 2,055 contracts has been traded thus far today, a contract volume which is representative of approximately 205,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 42.2% of FGEN's average daily trading volume over the past month, of 487,370 shares..