Noteworthy Friday Option Activity: FIT, CTRL, CRAY

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Fitbit Inc (FIT), where a total volume of 22,783 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 91.6% of FIT's average daily trading volume over the past month, of 2.5 million shares..