Notable Monday Option Activity: ARCH, EROS, CAL

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Arch Coal Inc (ARCH), where a total of 2,278 contracts have traded so far, representing approximately 227,800 underlying shares. That amounts to about 69.9% of ARCH's average daily trading volume over the past month of 325,800 shares..