Notable Friday Option Activity: MRK, MRNA, AMAT
November 18, 2022 at 13:17 PM EST
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Merck & Co Inc (MRK), where a total volume of 76,582 contracts has been traded thus far today, a contract volume which is representative of approximately 7.7 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 76.8% of MRK's average daily trading volume over the past month, of 10.0 million shares..