Noteworthy Thursday Option Activity: CMA, CCL, CVX
August 27, 2015 at 13:45 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Comerica, Inc. (CMA), where a total volume of 64,291 contracts has been traded thus far today, a contract volume which is representative of approximately 6.4 million underlying shares (given that every 1 contract represents 100 underlying shares)..