Notable Friday Option Activity: PRTA, GM, ADSK
April 20, 2018 at 15:24 PM EDT
Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Prothena Corp plc (PRTA), where a total of 2,467 contracts have traded so far, representing approximately 246,700 underlying shares. That amounts to about 45.9% of PRTA's average daily trading volume over the past month of 537,100 shares..