Notable Friday Option Activity: IR, GM, CELG
August 28, 2015 at 13:54 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Ingersoll-Rand plc (IR), where a total volume of 22,808 contracts has been traded thus far today, a contract volume which is representative of approximately 2.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 81% of IR's average daily trading volume over the past month, of 2.8 million shares..