Noteworthy Thursday Option Activity: COST, ABBV, AET

Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Costco Wholesale Corp (COST), where a total of 67,940 contracts have traded so far, representing approximately 6.8 million underlying shares. That amounts to about 164.5% of COST's average daily trading volume over the past month of 4.1 million shares..