逆向歸納
backward induction
一項用來替衍生性商品定價的方法，選擇權的價值首先取決於到期日，然後再逆向操作計算出此衍生性商品之價值。
A method for pricing derivative products to the value of the option depends primarily on the due date, then the reverse operation to calculate the value of this derivative products.