Notable Monday Option Activity: PTCT, OLN, ICPT

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in PTC Therapeutics Inc (PTCT), where a total of 3,147 contracts have traded so far, representing approximately 314,700 underlying shares. That amounts to about 46.8% of PTCT's average daily trading volume over the past month of 672,560 shares..