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Answers for “中间变量 d_1 和 d_2 是如何计算的?”

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The Black-Scholes-Merton formula for a European call option price is C=S0N(d1)−Xe−rTN(d2)C = S_0 N(d_1) - X e^{-rT} N(d_2). In this formula, S0S_0 is the current stock price, XX is the strike price, rr is the risk-free interest rate, TT is the time to maturity, N(⋅)N(\cdot) is the cumulative distribution function of the standard normal distribution, and d1d_1 and d2d_2 are intermediate variables.

Conditions: The option is a European call option.; The underlying asset pays no dividends during the life of the option.