Notable Monday Option Activity: PES, GRPN, EBIX

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Pioneer Energy Services Corp (PES), where a total of 5,191 contracts have traded so far, representing approximately 519,100 underlying shares. That amounts to about 53.3% of PES's average daily trading volume over the past month of 974,265 shares..