Notable Tuesday Option Activity: GOOGL, NSC, GOOG
October 23, 2018 at 13:21 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Alphabet Inc (GOOGL), where a total volume of 18,121 contracts has been traded thus far today, a contract volume which is representative of approximately 1.8 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 91.1% of GOOGL's average daily trading volume over the past month, of 2.0 million shares..