Notable Thursday Option Activity: ADS, COL, MON

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Alliance Data Systems Corp. (NYSE: 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). That number works out to 49.1% of ADS's average daily trading volume over the past month, of 747,290 shares. Especially high ...