在标的资产价格服从分数布朗运动的假设下,并且在利率为Ho—Lee模型下,推导出了随机利率下幂期权的定价公式,从而推广了以前的结果.
On the condition that the asset price process drived by a combination of fractional Brownian motion and Ho-Lee model,we deduced the power option pricing formulas, which contained the results of the previous articles.