Notable Thursday Option Activity: ARNA, BG, KNX
May 16, 2019 at 15:19 PM EDT
Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Arena Pharmaceuticals Inc (ARNA), where a total of 3,143 contracts have traded so far, representing approximately 314,300 underlying shares. That amounts to about 49.4% of ARNA's average daily trading volume over the past month of 636,005 shares..