Notable Monday Option Activity: C, GLUU, TGTX
July 16, 2018 at 15:23 PM EDT
Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Citigroup Inc (C), where a total volume of 127,657 contracts has been traded thus far today, a contract volume which is representative of approximately 12.8 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 70.6% of C's average daily trading volume over the past month, of 18.1 million shares..