Notable Thursday Option Activity: DAL, FL, NTAP
August 17, 2017 at 13:38 PM EDT
Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Delta Air Lines Inc (DAL), where a total of 37,878 contracts have traded so far, representing approximately 3.8 million underlying shares. That amounts to about 55.2% of DAL's average daily trading volume over the past month of 6.9 million shares..