Noteworthy Friday Option Activity: ARCH, NXST, CBMG

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Arch Coal Inc (ARCH), where a total volume of 2,172 contracts has been traded thus far today, a contract volume which is representative of approximately 217,200 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 88.3% of ARCH's average daily trading volume over the past month, of 246,065 shares..