U.S. stock index futures remained lower on Thursday after data showed the number of workers filing new applications for jobless benefits was unchanged last week.

S&P 500 futures fell 6.5 points and were below fair value, a formula that evaluates pricing by taking into account interest rates, dividends and time to expiration on the contract. Dow Jones industrial average futures dropped 67 points, and Nasdaq 100 futures slid 10.50 points.

(Reporting by Leah Schnurr; editing by Jeffrey Benkoe)