Noteworthy Thursday Option Activity: PTI, ECYT, PTE
October 18, 2018 at 15:18 PM EDT
Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Proteostasis Therapeutics Inc (PTI), where a total of 30,198 contracts have traded so far, representing approximately 3.0 million underlying shares. That amounts to about 1693.8% of PTI's average daily trading volume over the past month of 178,285 shares..