Notable Tuesday Option Activity: IRBT, MARA, INTU

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in iRobot Corp (IRBT), where a total of 8,270 contracts have traded so far, representing approximately 827,000 underlying shares. That amounts to about 56.9% of IRBT's average daily trading volume over the past month of 1.5 million shares..