Notable Thursday Option Activity: GOOGL, DOCS, DBRG

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Alphabet Inc (GOOGL), where a total volume of 363,363 contracts has been traded thus far today, a contract volume which is representative of approximately 36.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 92% of GOOGL's average daily trading volume over the past month, of 39.5 million shares..