* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
The historical rank and industry rank for Constellation Software's PEG Ratio or its related term are showing as below:
MEX:CSUN'
s PEG Ratio Range Over the Past 10 Years
Min: 1.01 Med: 2.93 Max: 7.47
Current: 2.36
During the past 13 years, Constellation Software's highest PEG Ratio was 7.47. The lowest was 1.01. And the median was 2.93.
MEX:CSUN's PEG Ratio is ranked worse than 72.72% of 821
companies
in the Software industry
Industry Median: 1.28
vs MEX:CSUN: 2.36
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
Constellation Software (MEX:CSUN) PEG Ratio Explanation
To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Software - Application subindustry, Constellation Software's PEG Ratio, along with its competitors' market caps and PEG Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Constellation Software PEG Ratio vs Software Industry
For the Software industry and Technology sector, Constellation Software's PEG Ratio distribution charts can be found below:
* The bar in red indicates where Constellation Software's PEG Ratio falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
Constellation Software (MEX:CSUN) has a PEG Ratio of 2.16 as of Jun. 24, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Constellation Software and its competitors. This is 26% below median its historical median of 2.93. Over the past decade, Constellation Software's PEG Ratio has ranged from 1.01 to 7.47. According to the industry distribution chart, Constellation Software ranks #597 out of 821 companies in the Software industry, placing it in the top 72.7%.
Is Constellation Software's PEG Ratio too high?
Constellation Software's current PEG Ratio of 2.16 is 26% below median its 10-year median of 2.93. Over the past 10 years, this metric has ranged from a low of 1.01 to a high of 7.47. The Software industry median PEG Ratio is 1.28. Constellation Software's value of 2.16 is 68.8% above this industry median. Based on the distribution chart, Constellation Software ranks #597 out of 821 companies in the Software industry, which is below the industry midpoint. Overall, Constellation Software has a GF Score™ of 65/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Constellation Software's PEG Ratio compare to CRM and SHOP?
According to the Software industry distribution chart, Constellation Software ranks #597 out of 821 companies for PEG Ratio. This places Constellation Software in the lower half of its industry. The industry median PEG Ratio is 1.28. Constellation Software's value of 2.16 is 68.8% above this benchmark. Historically, Constellation Software's own PEG Ratio has ranged from 1.01 to 7.47 over the past decade. While the company's 10-year median is 2.93 vs. the industry median of 1.28, Constellation Software has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PEG Ratio for a Software company?
The median PEG Ratio among Software companies is 1.28, based on 821 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Constellation Software's current PEG Ratio of 2.16 is 68.8% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Constellation Software and its competitors. For the Software industry, the median PEG Ratio is 1.28 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Constellation Software's current PEG Ratio is 2.16, which is 26% below median its own 10-year median of 2.93. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Constellation Software stock overvalued right now?
Based on GuruFocus' analysis, Constellation Software (MEX:CSUN) is currently considered Significantly Undervalued. The stock's GF Value™ is MXN67,444.26, compared to a current price of MXN33,833.42 — trading 49.8% below its estimated fair value. The current PEG Ratio is 2.16, which is 26% below median its 10-year median of 2.93 and 68.8% above the Software industry median of 1.28. Constellation Software's overall GF Score™ is 65/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For Constellation Software (MEX:CSUN), the current PEG Ratio is 2.16 as of Jun. 24, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Constellation Software (MEX:CSUN) Overvalued in 2026?
Based on GuruFocus' analysis, Constellation Software stock appears to be undervalued.
The current stock price of MXN33,833.42 is trading 49.8% below its estimated GF Value™ of MXN67,444.26.
GuruFocus considers Constellation Software to be Significantly Undervalued.
Key valuation signals for MEX:CSUN:
PEG Ratio: 2.16 (26% below median its 10-year median of 2.93)
GF Value™: MXN67,444.26 vs. price of MXN33,833.42 (49.8% below fair value)
Industry Position: 68.8% above the Software median (#597 of 821)
No single metric tells the full story. See the MEX:CSUN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Constellation Software is an acquirer, manager, and developer of vertical market software, or VMS, businesses globally. VMS differentiates from horizontal software in that it provides mission critical solutions within a specific industry for customers in a particular market. Constellation operates through a decentralized model in which each business operates as its own independent entity. Managers of individual businesses are incentivized to optimize their business for returns on invested capital and revenue growth. Excess cash generated by the individual businesses is repatriated to portfolio managers who focus on allocating as much capital as possible on new acquisitions. As of 2026, Constellation consisted of over 1,000 individual businesses.
65GF Score
Get the complete analysis for MEX:CSUN
PEG Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
MEX:CSUN has been successfully added to your 
