Notable Monday Option Activity: MRNS, BA, INSM
September 17, 2018 at 15:44 PM EDT
Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Marinus Pharmaceuticals Inc (MRNS), where a total of 3,942 contracts have traded so far, representing approximately 394,200 underlying shares. That amounts to about 118.1% of MRNS's average daily trading volume over the past month of 333,840 shares..