Consider the pricing of a futures contract on a discount bond, where the short rate r t
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Consider the pricing of a futures contract on a discount bond, where the short rate rt is assumed to follow the Vasicek process defined by (7.2.20). On the expiration date TF of the futures, a bond of unit par with maturity date TB is delivered. Let B(r,t; TB) and V (r,t; TF ,TB) denote, respectively, the bond price and futures price at the current time t. Show that the governing equation for the futures price is given by
with terminal payoff condition V (r,TF ; TF ,TB) = B(r,TF ; TB). By assuming the solution of the futures price to be the form:
show that (Chen, 1992)
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