Notable Thursday Option Activity: ADS, COL, MON
April 21, 2016 at 13:38 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Alliance Data Systems Corp. (ADS), where a total volume of 3,670 contracts has been traded thus far today, a contract volume which is representative of approximately 367,000 underlying shares (given that every 1 contract represents 100 underlying shares)..