Notable Tuesday Option Activity: BIIB, ABT, OXY
June 01, 2021 at 14:09 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 8,152 contracts has been traded thus far today, a contract volume which is representative of approximately 815,200 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 81% of BIIB's average daily trading volume over the past month, of 1.0 million shares..