This evaluate does not account for the volatility σ from the fundamental asset. Not like earlier inputs, volatility is not directly observable from market place information, but should as a substitute be computed in certain model, mostly using ATM implied volatility inside the Black–Scholes design. Dispersion is proportional to volatility, https://jaidendzxtn.bcbloggers.com/26695581/a-secret-weapon-for-implied-volatility