Notable Thursday Option Activity: CAT, GOOGL, SWKS
July 21, 2016 at 14:43 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Caterpillar Inc. (CAT), where a total volume of 38,743 contracts has been traded thus far today, a contract volume which is representative of approximately 3.9 million underlying shares (given that every 1 contract represents 100 underlying shares)..