Noteworthy Wednesday Option Activity: GM, MA, PRU
September 19, 2018 at 13:21 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 56,110 contracts has been traded thus far today, a contract volume which is representative of approximately 5.6 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 50.6% of GM's average daily trading volume over the past month, of 11.1 million shares..