Notable Monday Option Activity: BIIB, PAYX, EXC
October 05, 2020 at 13:22 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Biogen Inc (BIIB), where a total volume of 9,186 contracts has been traded thus far today, a contract volume which is representative of approximately 918,600 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 75.8% of BIIB's average daily trading volume over the past month, of 1.2 million shares..