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Below you will find descriptions and links to 4 free calculators for computing values associated with options.

If you like, you may also use the search page to help you find what you need.

This calculator uses the Black-Scholes formula to compute the price of a put option, given the option's time to maturity and strike price, the volatility and spot price of the underlying stock, and the risk-free rate of return.

*The Black-Scholes option-pricing model can be used to compute the price of a put option in light of current market conditions.*

This calculator uses the Black-Scholes formula to compute the value of a call option, given the option's time to maturity and strike price, the volatility and spot price of the underlying stock, and the risk-free rate of return.

*The Black-Scholes option-pricing model is useful for computing the present value of a stock option in light of current market conditions.*

This calculator will compute the value of a call option at maturity (i.e., the intrinsic value of the option), given the option's strike price and the spot price of the underlying stock.

*The value at maturity of a European-style call option is equal to the difference between the price of the underlying stock and the price at which the option can be exercised.*

This calculator will compute the value of a put option at maturity (i.e., the intrinsic value of the option), given the option's strike price and the spot price of the underlying stock.

*The value at maturity of a European-style put option is equal to the difference between the price at which the option can be exercised and the price of the underlying stock.*