Written by Upstox Desk
5 min read | Updated on October 28, 2025, 15:00 IST
Summary:
Introduction to PEG ratio:
For calculating the PEG ratio, the formula is:
Analysis using PEG ratio:
Limitations of PEG ratio:
Advantages of PEG ratio:
Summing up:
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The PEG ratio, which is the price/earnings to growth ratio, is a financial metric that is popular among investors for the assessment of a company's stock's relative valuation. This blog details how the PEG ratio can be used to make better investment decisions.
The PEG ratio, which is the price/earnings to growth ratio, is a financial metric that is popular among investors for the assessment of a company's stock's relative valuation. It is a slight variation of the more popular price-to-earnings (P/E) ratio. It takes into account the earnings growth of the company.
The following are the components of the ratio:
P/E ratio = stock price/EPS
The P/E ratio indicates how much investors are willing to pay for each rupee of earnings that the company generates. A P/E ratio that is high will typically indicate that investors anticipate higher earnings growth in the future. A low P/E ratio will indicate that investors have lower growth expectations.
The PEG ratio is a valuable indicator for investors, especially when comparing organisations within the same industry or sector. However, there are some limitations to using the PEG ratio. They are as follows:
The PEG ratio is able to provide a more holistic representation of a firm's valuation in comparison to just the P/E ratio. By taking into account growth in expected earnings, it enables investors to evaluate whether a stock is undervalued or overvalued in relation to the growth prospects.
The incorporation of earnings growth in the valuation is an important part of the calculation process. A PEG ratio that is low will indicate that a firm may be undervalued given its growth potential, while a PEG ratio that is high may suggest that the stock is overvalued in relation to its growth. Also, it is most handy when comparing different companies in the same sector or industry. It helps to find the stocks that have better potential for growth in comparison to their peers. A PEG ratio that is very low may indicate a potential value opportunity. However, it is important to take into account the reasons why the ratio is low. It could be because of reasons such as high risk or uncertainty in the growth projections of the company.
Even though the PEG ratio is a handy and powerful metric, investors usually use it in combination with other financial metrics using qualitative analysis. Having a thorough understanding of the company in question and the industry dynamics helps to make intelligent investment decisions. To make sure that the ratio is as accurate as possible, it is crucial to critically evaluate the reliability and quality of the earnings growth projections that are used in the calculation.
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Upstox Desk
Upstox Desk
Team of expert writers dedicated to providing insightful and comprehensive coverage on stock markets, economic trends, commodities, business developments, and personal finance. With a passion for delivering valuable information, the team strives to keep readers informed about the latest trends and developments in the financial world.
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