# American call option value calculator. Calculates current prices of American/European PUTs and CALLs and simulates scenarios depending on future implied volatility and price of.

## American call option value calculator. Calculates option prices using the binomial or trinomial model and displays the trees Cox, Ross & Rubinstein Binomial Tree for American Call (price: ).

This Black-Scholes Calculator is not intended as a basis for trading decisions. No responsibility whatsoever is assumed for its correctness or suitability for any given purpose. Use at your own risk. Provided by ERI Economic Research Institute — Your research outsource for salary survey , cost-of-living and executive compensation survey data. A European call option can only be exercised on its expiration date. This is in contrast to American options that can be exercised at any time prior to expiration.

A European option is used in order to reduce the variables in the equation. This is acceptable, since most U. When an employee exercises a call early, he or she forfeits the remaining time value on the call and collects only the intrinsic value. Home Resources Black-Scholes Calculator. Input Data Stock Asset Price: Options Fair Value European Call: The actual formula can be viewed here.

Stock Asset Price A stock's current price, publicly traded or estimated. Option Strike Price Predetermined price by the option writer at which an option's stock is purchased or sold.

Volatility Degree of unpredictable change over time of an option's stock price often expressed as the standard deviation of the stock price. A call option gives the buyer the option holder the right to purchase stocks from the seller the option writer at the strike price.

A put option gives the buyer the option holder the right to sell the purchased stocks to the writer of the option at the strike price. An American option may be exercised at any time during the life of the option.

However, in most cases, it is acceptable to value an American option using the Black Scholes Model because American options are rarely exercised before the expiration date. Degree of unpredictable change over time of an option's stock price often expressed as the standard deviation of the stock price.

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