Notable Monday Option Activity: COST, SONC, MU

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Costco Wholesale Corp (COST), where a total of 19,697 contracts have traded so far, representing approximately 2.0 million underlying shares. That amounts to about 68.5% of COST's average daily trading volume over the past month of 2.9 million shares..