Black Scholes Excel model as described in this article comes along with MarketXLS as a template. Black Scholes Excel model is perhaps the most famous formula in all of the finance. The Black-Scholes Formula is sometimes also called the Black-Scholes-Merton Formula
Blacksholes model puts an analytical framework and mathematical model to answer to question on how to value an option. Black Scholes Excel model is available with MarketXLS options data bundle.
The Black-Sholes formula has the following components, which are generally the ones an options trader would care about to get a sense the value of an option contract.
Stock Price – Price of the underlying assetExercise price – Strike price on the optionRisk-free interest rateTime to ExpirationStandard Deviation of the Log Returns (also known as the volatility) – this is essentially how volatile the stock is. Generally, the more volatile the underlying stock more valuable the option be.
The black sholes formula is below.
Where :
c > Call Premium
So > Current Stock Price
T > Time to expiration
K > Option Strike price
r > Risk-free interest rate
N > Cumulative standard of normal distribution
e > Exponential Term
The second part of the Black Scholes Excel formula shown below discounts the strike price to the present value.
The probability that the stock price will be at or above the strike price when the option expires is calculated by the part below.
The future value of the stock if, and only if, the stock price is above the strike price at expiration is calculated as shown below
Options trading gives you great advantages over trading any other kind of financial instruments. However, with the leverage that the options provide also comes with risks. Use MarketXLS Option Templates along with your own Excel calculations and real-time options data to get the advantage in the markets.
The Black Scholes Option model tries to calculate the fair value of the Option Contract.
In MarketXLS you can calculate the model value in a very simple way.
=BlackScholesOptionModelValue(“Option Symbol”) this function will return the value as per the model based on the dividend yield on the underlying asset, historical 7 trading day volatility and an expected rate of return of 5%.
In most cases, you would notice that the value this function returns for an option contract will be pretty close to the last price of the option in the market.
If you would like to use your assumptions of volatility and rate of return the function below will allow you to get the calculation Black Scholes Options Model Value.
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