This evaluate doesn't account to the volatility σ from the fundamental asset. As opposed to former inputs, volatility is not directly observable from market facts, but ought to instead be computed in a few design, generally applying ATM implied volatility within the Black–Scholes model. Dispersion is proportional to volatility, so https://out-of-the-money46799.bcbloggers.com/26699273/expiration-date-can-be-fun-for-anyone