Noteworthy Tuesday Option Activity: AZO, CNC, VLO

Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in AutoZone, Inc. (NYSE: AZO), where a total volume of 1,217 contracts has been traded thus far today, a contract volume which is representative of approximately 121,700 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 54.9% of AZO's average daily trading volume over the past month, of 221,775 shares. Particularly high volume was ...