Noteworthy Wednesday Option Activity: MRNA, EIX, UNH

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Moderna Inc (MRNA), where a total volume of 65,380 contracts has been traded thus far today, a contract volume which is representative of approximately 6.5 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 47.1% of MRNA's average daily trading volume over the past month, of 13.9 million shares..