Noteworthy Wednesday Option Activity: DUOL, ALGM, SPHR

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Duolingo Inc (DUOL), where a total volume of 4,325 contracts has been traded thus far today, a contract volume which is representative of approximately 432,500 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 107.9% of DUOL's average daily trading volume over the past month, of 401,015 shares..