Noteworthy Thursday Option Activity: MA, ALXN, MHK
April 26, 2018 at 13:17 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Mastercard Inc (MA), where a total volume of 19,744 contracts has been traded thus far today, a contract volume which is representative of approximately 2.0 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 50.4% of MA's average daily trading volume over the past month, of 3.9 million shares..