Notable Monday Option Activity: ALNY, NBIX, DDD
October 18, 2021 at 15:40 PM EDT
Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Alnylam Pharmaceuticals Inc (ALNY), where a total of 2,632 contracts have traded so far, representing approximately 263,200 underlying shares. That amounts to about 50.2% of ALNY's average daily trading volume over the past month of 524,430 shares..