Discover the story behind the Fairvalue-Calculator.

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Welcome to, your trusted partner in determining the fair value of stocks. Our versatile team, comprised of experienced financial experts, skilled programmers, and creative thinkers, has come together with a clear mission: to assist investors in making well-informed investment decisions. We deeply believe that every investor has the right to access top-notch tools and information to achieve their financial goals. We are passionate advocates for the idea that the Fair-Value-Calculator is an indispensable tool for assessing the fair value of stocks, paving the way to financial success. We take our responsibility to our users very seriously, and we are dedicated to developing a tool that is accurate, reliable, and user-friendly. We understand that your financial future is at stake, and that drives us to continually improve our service.


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About The Fair Value Calculator Method:

Fair Value Calculator is an online service founded by Dr. Peter Klein, BA. Through years of studies and evaluations of backtests, existing fair value strategies have been improved and, above all, greatly simplified. Fair Value Calculator is located in Austria. The project was implemented together with stock market experts and programming specialists and is being expanded and improved constantly. Fair Value Calculator was founded in 2005 and has grown steadily ever since.

I find myself in my modest student apartment over hundreds of annual reports of stock market companies again. It was a dark apartment with only light coming through the windows on one side. I had set up a small office of Ikea furniture, consisting of a coffee table, an armchair and a lamp with a green shade, as you would find it in every decorated law office.

I admired it and called it the "Club of the Thinkers" lamp, based on an episode in "Scrubs" where the janitor founded the Thinkers' Club. The lamp gave me inspiration and also the necessary light to study the stock numbers. Over the course of a year I had studied common valuation methods and compared their results.

Valuation methods that are intended to give the true value of a share are, for example, the discounted cash flow method or multiplier approaches (valuation with multiples). No matter which method one chooses, they all have their raison d'être in a sense, and all of them have one thing in common: they are hard to learn and apply to a beginner.

So I was looking for a solution that would give great results as the established evaluation models, but should be much easier to use. So it took a system that was quick and easy to use, spitting out the true value of stocks quickly, and then investing in stocks whose fair value is higher than the current stock market price. The plan was to buy the dollar for 50 cents and wait for other participants to recognize the true value of the stock. Subsequently, the higher demand would also increase the stock market price of the share.

The plan was good. All I needed was System X. In search of System X, I calculated 500 shares using the discounted cash flow method and thus received 500 fair values for 500 shares.

So I had the metrics and the fair values of 500 stocks and now I tried to simplify the X way. For another year, I developed formulas and played with metrics until I had a formula that showed reliable data for the identification of intrinsic value. 

Combined with certain guidelines, you get a system that is fully professional.

To validate the data, I again randomly selected hundreds of stocks and blindly inserted their historical measures to see if an investment would have yielded such stocks at that time.

So I invested virtually in a backtest in stocks without that I knew their development until today. And indeed: No matter in which period, whether 2, 5 or 10 years, whether crisis or not, the stocks whose true value according to the Fair Value Calculator was higher as their price performed far better than other stocks. 

The aim of the project is the identification of "cheap" stocks. This means that with our tools you can easily and quickly identify cheap stocks and a favorable market environment.

The result is a better performance of your stock portfolio.

Highly complex valuation methods, which are difficult to learn for stock market beginners, have been simplified so that thousands of shares could be valued to provide you with professional information even if you are not an expert.

The goal of the Fairvalue Calculator is to find cheap undervalued stocks. The comparison of the intrinsic value (fair value) and the current stock price enables an assessment of how cheap or expensive a share really is. In the long-term past it has been shown that holding undervalued stocks for a long time has brought better returns.

The Fairvalue Calculator consists of a self-developed formula that uses several fundamental key figures to estimate the intrinsic value of stocks. The key figures you enter are combined in such a way that the most accurate fair value possible is obtained.

To use the Simple Fairvalue Calculator, earnings per share and revenue growth must be entered. These key figures can easily be found on the relevant internet pages on stocks or the annual business reports of stock corporations, which you can usually find on the stock corporation’s homepage under the “Investors Relations” tab.

In the Advanced Fairvalue Calculator, you can determine the intrinsic value of a stock (fair value) yourself free of charge with the help of other more detailed fundamental key figures.

In the Premium Tools we already load financial key data, fundamental data and information to more than 45.000 stocks worldwide to estimate a fair value and to value the stock.  In addition, the calculated fair value in the Premium Tools is combined with a momentum approach in order to favor stocks that have achieved particularly high returns in the past.
This is to ensure that the fair value (intrinsic value) of (almost) every stock worldwide is immediately accessible and that users can call up many fair values from the database and find better stocks instantly.

Frequently Asked Questions:

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Value strategy, also known as value investing, is a special form of stock investment. With this form of share investment, only shares are purchased that have a higher real economic value than the current stock market price.

Stock corporations are obliged to publish annual reports. In these annual reports there are many so-called fundamental key figures on the financial status of a public company. This financial data, available for everyone to see, shows the financial health of a public company. By correctly interpreting this financial data, a value investor attempts to approximate the true value of the company.
The Fair Value Calculator prepares these fundamental company key figures for the user in such a way that they can see with just a few mouse clicks whether a share in a public limited company is a bargain - or even much too expensive. Now that the investor roughly knows the true value of the company's stock, he compares that value to the current stock price on the stock market. Since the value investor assumes that the stock market is constantly distorted by short-term over- and under-hypes, he can find stocks that are actually worth more than they cost.
If a share is worth more on paper than it currently costs on the stock exchange, the value investor buys this share and assumes that sooner or later the true value of the company will also be recognized by other market participants and the share price will reflect the true value approaching the value of the share and thus performing disproportionately well. Of course, the Fair Value Calculator is no guarantee of steady secure profits. However, if you build a balanced stock portfolio from many different value stocks, according to studies and tests, the chances of achieving an exceptionally high return on the stock market are good.
In addition to the other unique tools, the Premium Tool also has a portfolio manager that helps you to create a balanced portfolio. If you implement all of the guidelines in your watch list that the portfolio manager suggests, you have a good chance of being successful in the stock market.
The fair values in the database and the values given in the free self-use calculators are based on a formula that we developed ourselves. The formula is the result of years of statistical analysis and advanced mathematics. First, we checked thousands of stocks for their true value. With more cumbersome procedures, companies could already be checked for their true value, similar to how company auditors do it. From the results we have derived a formula that delivers almost the same results, but with many advantages. In addition, the result is cross-calculated using other methods and the average of all results is determined. Further exclusion criteria are added, which means that individual shares can also be completely excluded from the ranking. The Fair Value Calculator method requires no previous knowledge and is therefore suitable for beginners. Within a very short time, stocks can be checked for their true value and a stock portfolio can be put together as a result, which probably performs better than the overall market. In addition, the Fair Value Calculator is free, which gives the user a financial advantage over conventional fund investments.
The market as a whole is the sum of all share price gains and losses. So the market is the sum of all stocks in a given area. If you now take the average return on your own shares and compare it with the market, you can see how cleverly the shares were selected. The aim is, of course, for your own shares to perform better than all other shares on the market on average. When we talk about the market or the overall market on, we mean the average return on major stock indices such as DAX, Eurostoxx, Dow Jones, S&P 500, Hang Seng and many more.

Banks very often charge issue surcharges and fees for the management of the fund. These fees are usually so high that these funds perform significantly worse than the overall market. On the other hand, if you set up an online depot yourself and manage your shares yourself, you save yourself these fees and can beat the market more easily. Which combination of different countries and market capitalizations of the stock companies promise the highest returns? In order to reduce the risk in a share portfolio, it is advisable to include shares from different countries and of different sizes in the share portfolio. Here you should put together the stock portfolio as described in the article on asset allocation. A statement as to which countries or which market capitalization promise more returns cannot generally be made. What is certain, however, is that intelligent asset allocation lowers the investor's individual risk.

Practice has shown that selecting stocks with a fair value of +100% to +200% has produced the best returns over the past 13 years. The reason for this cannot be explained and it could also be a one-time effect. In general, we would recommend stocks that cost more than a dollar (ie not penny stocks) and have a fair value between +50% and +500%.

That depends on many different factors. Large public companies often have a high market correlation. This means that if the market develops poorly, this share will hardly move from the spot for many years. However, one thing can be said: In our models, 83% of Fair Value stocks reach their true value within 5.5 years. In boom phases, the shares usually reach their fair value after a few years. Basically, it can be said that the minimum holding period should be several years.

The average annual return since 2005 - 2019 was 31.42%. On average, our back tests, live tests and statistical evaluations from the database achieve an annual average excess return of 7-9% compared to the overall market. In 2005, we randomly selected 32 stocks from the USA and Germany in a sample. All 32 stocks had a higher fair value in 2005. From 2005 through 2010, these stocks produced an average annual return of 12%. In the meantime, the market (average DAX and DOW indices) has achieved a return of 3%, which represents below-average performance due to the financial crisis in 2008. Despite this, these Fair Value stocks managed to outperform the market by 9%. The same happened from 2005 to 2019 (7% outperformance) and from 2005 to 2022 (8% outperformance). With an average annual stock market performance of 9% and Fair Value stocks outperforming by 8%, we could expect a long-term return of 17% per year. Joseph Piotroski studied value stocks between 1976 and 1996. Based on fundamental analysis and a calculation of the true value of stocks based on historical data from companies' market reports, the author estimates an annual outperformance of 7.5%.
There should be at least 10 different stocks in a Fair Value portfolio. In addition, one should not overdiversify the portfolio, i.e. we would rather not recommend more than 100 stocks. If you use the Portfolio Manager in the Premium Dashboard as a diversification aid, you reduce the individual risk of the portfolio.

Premium Account

Do you have problems with paying or activating your premium account, lost your password or have other administrative problems?

In the Premium Tools, all financial data from more than 45,000 stocks worldwide is automatically loaded and made available to the user in practical tools. On the "Premium Tool" subpage you can buy your access and add watch lists to your personal dashboard and monitor them. Your dashboard will remain active as long as your subscription remains active.
Both PayPal and credit card are available as payment options to pay for the Premium Tools monthly as a subscription and to receive the access data.
If you started the subscription with PayPal, you can access the web version of PayPal and manage or cancel your subscription yourself. If you have chosen the credit card as the payment method and have started the subscription, you can send us a message to: to cancel the service. We will then delete your account within a very short time.

You can reset your password in the login mask for the Premium Tool. A new password will then be sent to your email, which you can then use to log in to the Premium Tool again.

If you can no longer log into your Premium Tools, try to reset the password in the Premium Tools login mask. You will then receive an email with your new password, which you can change again in your account under settings.

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