Notable Friday Option Activity: BL, IMGN, GRPN

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in BlackLine Inc (Symbol: BL), where a total volume of 2,876 contracts has been traded thus far today, a contract volume which is representative of approximately 2Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in BlackLine Inc (Symbol: BL), where a total volume of 2,876 contracts has been traded thus far today, a contract volume which is representative of approximately 2Read MoreMarkets,Stocks,OptionsStocks Feed