Notable Thursday Option Activity: RNG, UBNT, IRDM

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in RingCentral Inc (RNG), where a total of 3,323 contracts have traded so far, representing approximately 332,300 underlying shares. That amounts to about 45% of RNG's average daily trading volume over the past month of 739,135 shares..