Notable Monday Option Activity: AAPL, AAP, ISRG
April 17, 2017 at 14:29 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Apple Inc (AAPL), where a total volume of 157,294 contracts has been traded thus far today, a contract volume which is representative of approximately 15.7 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 63.8% of AAPL's average daily trading volume over the past month, of 24.7 million shares..