Notable Wednesday Option Activity: Z, BIG, FNF

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Zillow Group Inc (Z), where a total of 23,857 contracts have traded so far, representing approximately 2.4 million underlying shares. That amounts to about 67.4% of Z's average daily trading volume over the past month of 3.5 million shares..