Noteworthy Friday Option Activity: TNDM, GOGO, COST
January 22, 2021 at 15:35 PM EST
Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Tandem Diabetes Care Inc (TNDM), where a total of 9,917 contracts have traded so far, representing approximately 991,700 underlying shares. That amounts to about 145.4% of TNDM's average daily trading volume over the past month of 681,990 shares..