Aston Martin DB5 used in both "Goldfinger" and "Thunderball". The owner (Jerry Lee, president/owner of WBEB Radio in Philadelphia, Pennsylvania) originally bought the car from the Aston Martin company in 1969. At the auction, the DB5 was sold for £2.6 million. (£2.912m with commission) equates to $4.6m. Aston Martin announced in August 2018 that it plans to build 25 replicas of the DB5 as seen in "Goldfinger", including some of the gadgets seen in the film, each selling for about . With "Goldfinger", Corgi Toys began its decades-long relationship with the Bond franchise: they produced a toy of the car, which became the
Black–Derman–Toy model Black–Derman–Toy model In mathematical finance, the Black–Derman–Toy model (BDT) is a popular short rate model used in the pricing of bond options, swaptions and other interest rate derivatives; see Lattice model (finance) #Interest rate derivatives. It is a one-factor model; that is, a single stochastic factor—the short rate—determines the future evolution of all interest rates. It was the first model to combine the mean-reverting behaviour of the short rate with the lognormal distribution, and is still widely used. The model was introduced by Fischer Black, Emanuel Derman, and Bill Toy. It was first developed for in-house use by Goldman Sachs