Notable Friday Option Activity: RYTM, PFE, PEP

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Rhythm Pharmaceuticals Inc (RYTM), where a total of 2,463 contracts have traded so far, representing approximately 246,300 underlying shares. That amounts to about 49.7% of RYTM's average daily trading volume over the past month of 495,815 shares..