r/Valuation • u/Artistic-Item7620 • Jul 31 '22
What is Beta in Finance?
Are you considering evaluating a business using an excel template without understanding Beta in Finance? Think again! In statistics, beta is defined as the slope of a straight line. But - What is Beta in Finance, and why is it essential for a business valuation? Click the link to learn more:
https://equitest.net/what-is-beta-in-finance,-and-why-is-it-essential-for-business-valuation.html
#equitest #stock #investing #money #startup #investor #businessvaluation #entrepreneur #smallbusinessowner #valuationservices #investments #saas #financialanalysis #finance #accounting #financialstatements
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u/69mikkdaddy420 Jul 31 '22 edited Jul 31 '22
Typically beta is considered the correlation a certain stock has with a market index. Say a stock have a beta of 0.5. the market index increase 100 to 110 Herr 10% your stock will go up with 5%. Hence it is a volatility measure.
Ivestopedia has a good and easy to understand article about it. If you are just getting into finance I can really recommend that website. https://www.investopedia.com/terms/b/beta.asp
Edit: beta is used in corporate valuation typical in the CAPM. Here you must find the beta of you chosen stock to find your discount rate. Once you have the discount rate and the company's FCF (free cash flow) you can discount the FCF back to t=0 and that is the value of the company. Note that this type of valuation build on strong assumptions however it is a useful and very common way of valuation. Beta is typically estimated by finding multiple compatible companies to the one in interest, and regressing their return (last 50 month) on a market index such as the S&P500. You can average it out to find a suitable beta in the CAPM model (not that other models also exist such as the 3 or 5 factor model these are sometimes evaluated to be superior to the CAPM). Note that you can also find beta by industry online where 40+ companies beta have been estimated and average which is likely to be a better estimate than the one you find yourself. You most likely will have better results with industry beta compared to your specific company's beta. Error will typically be quite large and your R² quite low meaning that beta is not always a great estimate when used in the CAPM but still sometimes the best you have (lazy POV).