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Questions tagged [implied-volatility]

The implied volatility of an option contract is that value of the volatility of the underlying instrument which when input in an option pricing model such as Black–Scholes will return a theoretical value equal to the current market price of the option.

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Implied or historical volatility to calculate theoretical options price with black scholes?

According to the black scholes model, volatility is one of the variables to calculate the fair price of an option. However, it doesn't specify which volatility should I use. Should I take the ...