Coupon-Bonds Option Pricing Formula is obtained under Hull-White model by Using the method of PDE and approximation process price which is driven by fractional Brownian motion, and the close formula is also given.% 在Hull-White模型下,利用标的资产服从逼近的分数布朗运动过程,结合分数布朗运动随机积分理论及偏微分方程方法,获得了可延期交付的附息票债券期权定价模型,并得到其解析式。
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