Notable Wednesday Option Activity: IBM, PSX, HRS
November 15, 2017 at 14:19 PM EST
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in International Business Machines Corp (IBM), where a total volume of 31,868 contracts has been traded thus far today, a contract volume which is representative of approximately 3.2 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 49.5% of IBM's average daily trading volume over the past month, of 6.4 million shares..