![]() All payments are processed by PayPal, but you don't need a PayPal account to check out when paying with a card. You can pay by credit/debit card or PayPal. Since 2013, the calculator has been used by customers all over the world, including the US, Europe, Australia, India, China, Japan, Russia, Brazil, and many other countries. The model does not depend on a particular country or currency. In such cases it is more accurate to use binomial models than Black-Scholes (see Binomial Option Pricing Calculator). In most cases (when early exercise does not make sense), it is also accurate for American options, but there are some exceptions (deep in the money puts, high dividend calls) where American options are more valuable than European options. The Black-Scholes model is intended for European options. You are free to change any formulas and customize the calculator.ĭoes it work for American/European options? Everything is freely available, nothing hidden or password protected. The calculator only uses the basic built-in Excel formulas or their combinations. That said, unlike our other calculators, the Black-Scholes Calculator does not require Excel macros to run, so it is enough if your software can open xls/xlsx files and work with standard Excel formulas. It may work in some, but unfortunately I can't guarantee it and can't provide support for software other than Microsoft Excel. For older versions you may need to use a different version of the calculator, which is also included.ĭoes it work in OpenOffice / LibreOffice / Apple Numbers / other spreadsheet software? The calculator is a standard xlsm file and works in all versions of Excel from Excel 97 to the latest, also including Office 365 and Excel for Mac. Is it a one-time payment or monthly/recurring? ![]() Instant download Frequently Asked Questions The calculator helps you stay in control, understand the risks and behaviour of a position under any possible situation, and make faster and better decisions. You can also easily adjust the scale to zoom in or out. ![]() The charts can display effects of any of the parameters on an option's price and/or any of the Greeks. You can control the charts in the chart settings area on the left. You can find detailed explanation of the Greeks in the user guide.įor even better understanding of your option's exposure to different factors you can see the effects of changing underlying price, volatility or time to expiration in the charts.įor instance, the screenshot below shows the effect of time to expiration on a call option's price and delta, demonstrating how this particular option will lose value as it gets closer to expiration. The Greeks, like delta, gamma, theta or vega, measure sensitivity of option prices to changes in the individual parameters and therefore are very useful for managing option positions. You will instantly see the resulting option price and Greeks. ![]() The calculator also works with fractions of days to handle intraday pricing. You can set time to expiration either as pricing date and expiration date, or as number of days remaining to expiration. The user guide provides detailed explanation of each. ![]() Instant download How It Works & ScreenshotsĮnter parameters in the yellow cells: underlying price, strike price, volatility, interest rate, dividend yield. ![]()
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