Notable Friday Option Activity: GM, TWC, CHK
September 18, 2015 at 13:43 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in General Motors Co. (GM), where a total volume of 103,441 contracts has been traded thus far today, a contract volume which is representative of approximately 10.3 million underlying shares (given that every 1 contract represents 100 underlying shares)..