Notable Friday Option Activity: WMT, ISRG, UA
July 14, 2017 at 14:28 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Wal-Mart Stores, Inc. (WMT), where a total volume of 50,537 contracts has been traded thus far today, a contract volume which is representative of approximately 5.1 million underlying shares (given that every 1 contract represents 100 underlying shares)..