Notable Thursday Option Activity: CAT, KMX, WYNN

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Caterpillar Inc. (NYSE: CAT), where a total volume of 38,183 contracts has been traded thus far today, a contract volume which is representative of approximately 3.8 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 61% of CAT's average daily trading volume over the past month, of 6.3 million shares. Particularly high vo...