# How to Calculate the Beta of a Stock: Formulas & Examples

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This is because their market correlation was much lower, and thus the swings orchestrated through the index were not felt as acutely for those low beta stocks. To calculate the beta of a security or portfolio, we divide covariance between the return of security and market return by the variance of the market return. Put both high- and low-beta stocks in your portfolio for adequate diversification. A good mix of high- and low-beta stocks will help you weather any dramatic downturns that the market happens to take.

However, i’m not sure, if any changes should be applied to the BETADIST function. Since 10% is not in the 95% confidence (5.3%, 9.8%), we conclude (with 95% confidence) that the lottery’s claim is not accurate. These functions are not available in versions of Excel prior to Excel 2010.

Peering through Yahoo Finance, Google Finance, or other financial data feeders, one may see a variable called betaamid other financial data, such as stock price or market value. Beta distribution is very often chosen as the prior distribution because it is a conjugate prior for a bunch of likelihoods. “Past Performance is no guarantee of future” – This rule also applies on Beta. While we calculate beta, we take into account historical data – 1 year, 2 years or 5 years, etc. Using this historical beta may not hold true in the future.

Click “Ok” after selecting the “Regression” option from the pop-up menu. For the following step, you should concentrate on the “Input Y-range” and “Input X-range” key boxes. The beta of the portfolio is 1.38, which means the stock is highly risky and volatile. INVESTMENT BANKING RESOURCESLearn the foundation of Investment banking, financial modeling, valuations and more.

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Market CapitalizationMarket capitalization is the market value of a company’s outstanding shares. It is computed as the product of the total number of outstanding shares and the price of each share. As another example, imagine that Frank’s Funeral Service has a beta of 1.5 when compared to the S&P. If the S&P falls 10%, expect Frank’s stock price to fall more than the S&P, or about 15%. Highlight all the data in the two return columns and hit the Chart icon in Excel. Label the X-axis with the name of the index you’re using (e.g. S&P 500) and the Y-axis with the name of the stock you’re using.

• In the example above, the security of X Ltd. is 13.33% riskier than the security of Y Ltd.
• And if we fall behind the less likely we are to are to meet it.
• “Past Performance is no guarantee of future” – This rule also applies on Beta.
• Systematic risk is undiversifiable, measurable, inherent, and unavoidable.
• Beta is the volatility or risk of a particular stock relative to the volatility of the entire stock market.

2009 is committed to honest, unbiased investing education to help you become an independent investor. We develop high-quality free & premium stock market training courses & have published multiple books. We also thoroughly test and recommend the best investment research software. We have partnerships with companies whose products we love. Typically day traders will look for companies with the higher beta so they can gain as much as possible in short period of time.Basically, the market itself has a beta of 1. Stocks that have a higher volatility will have a higher beta.

Theoretically, the negative beta would mean that the stock moves in the opposite direction of the overall stock market. Many companies that are into gold investing can have negative betas because gold and stock markets move in the opposite direction. International companies may also have negative beta as their business may not be directly linked to the domestic economy. Calculate Unlevered BetaUnlevered beta is a measure to calculate the company’s volatility without debt concerning the overall market.

## Beta Measurement and its Relation with Market

So the companies with large beta have the potential to go on upside quicker and vice versa. These stocks may make you make more money but also lose more money a lot quicker than the stocks that have lower beta. We hope that you have learned well about Beta Value, what it is, and how to calculate Beta in Excel. And you are ready to implement it yourself and estimate the performance of your desired stock, mutual fund, or portfolio. Let’s get started with the calculation of beta in Excel by implementing the above mathematical formula. The Beta’s of individual stocks in the portfolio add up according to their weights to create the portfolio beta.

As in the situation where we had 100 trials and 0 successes we could safely assume that the probability of success was close to 0 – but this formula would not give an interval. How the alpha and beta values are to be taken for a problem. Real-time data subscriptions available through our data partners and require additional exchange subscription agreements. Negative beta is very rare and in most cases, you will see stocks that have a positive beta. Beta in mathematical terms is referred to as the relationship between Co-Variance of the particular market index or benchmark and the Variance of an asset . Installing the analysis toolpak is simple if you don’t already have it.

You will learn everything you need to know about financial analysis, charts, stock screening, and portfolio building so you can start building wealth today. Now, we have calculated beta value on a small dataset if, you have noticed in our previous example. But now, to clear your concepts well and help you understand better, we take another example of how to calculate beta.

In the example above, the beta would be 5 divided by 6, or 0.833.The beta of the market itself is by definition 1.0, as the market is being compared to itself, and any number divided by itself equals 1. In the final analysis, the Beta is only one of many stock analysis tools you can use. Finally, to become proficient at spreadsheet Beta Calculation, you calculate beta in excel will need to practice, practice, and practice. So download some spreadsheets and calculate Beta if you want to use this tool. You want to be a successful stock investor but don’t know where to start. In addition, you can easily determine if you got the calculation right by comparing your results to those at popular finance websites like Yahoo! Finance.

Excel SLOPE FunctionThe Slope function returns the slope of a regression line based on the data points recognized by known _y values and known _x values. Investments with negative betas have counter cyclical volatility with respect to their benchmark. In an economy that’s decreasing, gold, bankruptcy advisory firms and companies involved in continuing education often have a beta of less than zero.

To clarify, Covariance is a measurement of the directional relationship between two numbers. In the Beta Coefficient, the two numbers are the market return and the stock return. In simple terms, Beta refers to the sensitivity of a stock price with respect to an index or benchmark. It is regarded as a very efficient and effective measurement of the risk of security. Choose the range of cells that contain the returns for your target stock by clicking on the “Input Y-range” box.

Beta gives analysts an estimate of the stock’s risk and market volatility. I now which to use my Logistic Regression model which new data to provide a new % estimate of a 1. This in turn now needs to be updated with the previously calculated probability from the Beta distribution calculated on the previous time step. Arrange the historical data downloaded with closing prices of the stock to watch and the index/benchmark to compare with. The formula for un-gearing and gearing beta is shown below. Prepare a single sheet of stock prices data and index data in step three.

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Download historical security prices for the asset whose beta you want to measure. Based on the data you enter, the “analysis toolpak” creates a fresh summary output spreadsheet. The number for beta calculation is in the “X variable” row and the “Coefficient” column among other numbers that you can use for various types of analysis.

## Beta Coefficient Video

Andrew Lokenauth is a Finance Executive who has over 15 years of experience working on Wall St. and in Tech & Start-ups. Andrew helps management teams translate their financials into actionable business decisions. He has held positions at Goldman Sachs, Citi, and JPMorgan Asset Management. His insights have been quoted in Forbes, TIME, Business Insider, Nasdaq, Yahoo Finance, BankRate, and U.S. Andrew has a Bachelor of Business Administration Degree , Accounting and Finance from Pace University.

## How to use this beta distribution calculator?

My name is Ankur and I am the founder/CEO of MarketXLS. Over the past four years, I have helped more than 2500 customers to implement their own investment research strategies and monitoring systems in Excel. Make sure you enter correct values in right order which is – of the stock and then of the index. Now, go to Historical Data, select the time period for which you need to analyze and then confirm it by clicking Apply. CA knowledge offers Net Worth, taxation, Banking & financial solutions to individuals, businesses, and organizations all over the world.

By the end of this post, you should have a solid understanding of how to calculate beta in Excel. Our goal is to make the process of calculating beta in Excel as simple and straightforward as possible, so get ready to unlock the power of this financial metric. A negative beta formula means an investment that moves in the opposite direction against the stock market.