Notable Friday Option Activity: GM, DOW, QLYS

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in General Motors Co (GM), where a total of 74,414 contracts have traded so far, representing approximately 7.4 million underlying shares. That amounts to about 51.9% of GM's average daily trading volume over the past month of 14.3 million shares..