Noteworthy Monday Option Activity: GM, MMM, R
October 24, 2016 at 13:22 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 41,667 contracts has been traded thus far today, a contract volume which is representative of approximately 4.2 million underlying shares (given that every 1 contract represents 100 underlying shares)..