PEG Ratio
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
PEG
About this calculator
The PEG Ratio calculator is a useful tool for investors who want to evaluate the value of a stock in relation to its expected growth. The PEG (Price to Earnings / Growth Rate) is a metric that relates the stock price to its estimated growth rate.
The formula to calculate the PEG is simple: PEG = P/E / g, where P/E is the price-to-earnings ratio and g is the growth rate. The lower the PEG value, the more attractive the investment, as it indicates that the stock is undervalued relative to its growth potential.
It is important to use the PEG Ratio calculator in real investment cases, such as when evaluating stocks of companies with high growth potential. However, it is crucial to be careful when interpreting the results, as the PEG can be influenced by several factors, including the choice of time period for calculating growth.
In addition, it is essential to consider other factors, such as the company's financial health, industry competition, and market trends, to make informed investment decisions. The PEG Ratio calculator is a valuable tool, but it should be used in conjunction with other analyses to get a comprehensive view of the investment.
Frequently asked questions
What is the PEG Ratio?
The PEG Ratio is a metric that relates the stock price to its estimated growth rate. It is calculated by dividing the price-to-earnings ratio (P/E) by the growth rate (g).
How do I interpret the PEG Ratio result?
The lower the PEG value, the more attractive the investment. However, it is essential to consider other factors, such as the company's financial health and market trends, to make informed decisions.
When should I use the PEG Ratio calculator?
The PEG Ratio calculator is useful when evaluating stocks of companies with high growth potential. It is essential to use the calculator in conjunction with other analyses to get a comprehensive view of the investment.
What influences the PEG Ratio calculation?
The PEG Ratio calculation can be influenced by several factors, including the choice of time period for calculating growth, the choice of data source, and the accuracy of the data used.
Can I use the PEG Ratio as the only analysis tool?
No, the PEG Ratio should be used in conjunction with other analyses to get a comprehensive view of the investment. It is essential to consider other factors, such as the company's financial health, industry competition, and market trends, to make informed decisions.