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Answers for “为什么在这一节中不需要推导布莱克-斯科尔斯-默顿公式?”

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Understand why

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The derivation of the Black-Scholes-Merton formula is not required in this segment because its mathematical derivation is relatively complex. The video explicitly states that learners only need to memorize the formula and understand how to substitute values into it to compute option prices, rather than mastering the underlying proof.

Conditions: The context is the introductory learning segment for the Black-Scholes-Merton formula.; The focus is on practical application and memorization rather than theoretical proof.

Meet the concept

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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.

Meet the concept

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No, you generally do not need to compute the values of the standard normal cumulative distribution function N(d1)N(d_1) and N(d2)N(d_2) yourself. In typical exams or exercises, these values are usually provided directly, or you are allowed to simply write the expression containing N(d)N(d) without computing the final numerical result.

Conditions: The context is standard exams or practice problems for option pricing.; The problem requires evaluating the Black-Scholes-Merton formula.