布莱克-斯科尔斯期权定价模型 Black-Scholes Option valuation Co=Se8TN(d1)-×eN(d d1=[n(S。)+(r-δ+σ2/2)/(oT12 d2=d1-(oT12) 式中 Where C。=当前看涨期权的价值 Current call option value S。=当前股票价格 Current stock price N(d)=随机的偏离标准正态分布的概率小于d probability that a random draw from a normal dist will be less than d21-10 布莱克-斯科尔斯期权定价模型 Black-Scholes Option Valuation Co = Soe -dTN(d1 ) - Xe-rTN(d2 ) d1 = [ln(So /X) + (r – d + s 2 /2)T] / (s T1/2) d2 = d1 - (s T1/2) 式中 where Co = 当前看涨期权的价值Current call option value. So = 当前股票价格 Current stock price N(d) = 随机的偏离标准正态分布的概率小于d probability that a random draw from a normal dist. will be less than d