Noteworthy Thursday Option Activity: GOOGL, CAT, UNH
November 19, 2015 at 15:07 PM EST
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 19,054 contracts has been traded thus far today, a contract volume which is representative of approximately 1.9 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 81.7% of GOOGL's average daily trading volume over the past month, of 2.3 million shares..