Noteworthy Wednesday Option Activity: HUM, SBUX, GRMN

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Humana Inc. (HUM), where a total volume of 5,036 contracts has been traded thus far today, a contract volume which is representative of approximately 503,600 underlying shares (given that every 1 contract represents 100 underlying shares)..