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Vasiek利率模型下的亚式期权的定价问题和数值分析 被引量:11

PRICING THE ASIAN OPTION UNDER VASIEK INTEREST RATE
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摘要 本文研究了随机利率满足Vasiek模型时带有浮动的敲定价格的欧式看涨亚式期权的定价问题.通过对所涉及的退化的抛物型方程的Cauchy问题进行变量代换,我们把状态空间的维数降低了一维.为克服其中的奇异性问题,本文对方程进行了分解,第一部分的方程虽然保持奇性,但是其解具有一个精确表达式;而残差部分满足系数和初始条件都充分光滑的Cauchy问题,我们运用一般的差分方法对该部分进行了有效的数值计算。 This paper presents a theory of continuous sampled Asian option pricing when the interest rate is modeled by Vasicek model. For arithmetic Asian option, we subtract an explicit formula from the solution of the price and get a PDE satisfied by the residue with smooth coefficients and 0 initial condition. We adopt infinite difference scheme to calculate the solution numerically.
出处 《应用数学学报》 CSCD 北大核心 2003年第3期467-474,共8页 Acta Mathematicae Applicatae Sinica
基金 国家自然科学基金委青年基金(10201029号)
关键词 VASICEK利率模型 亚式期权 定价问题 抛物型方程 奇异性 CAUCHY问题 差分格式 随机利率 Asian option, floating strike price, infinite difference scheme
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参考文献13

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