* 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 IRB Infrastructure Developers's PEG Ratio or its related term are showing as below:
NSE:IRB'
s PEG Ratio Range Over the Past 10 Years
Min: 0.4 Med: 0.74 Max: 48.19
Current: 48.19
During the past 13 years, IRB Infrastructure Developers's highest PEG Ratio was 48.19. The lowest was 0.40. And the median was 0.74.
NSE:IRB's PEG Ratio is ranked worse than 98.24% of 683
companies
in the Construction industry
Industry Median: 1.13
vs NSE:IRB: 48.19
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
IRB Infrastructure Developers (NSE:IRB) 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.
IRB Infrastructure Developers PEG Ratio Related Terms
IRB Infrastructure Developers PEG Ratio Historical Data
* 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.
IRB Infrastructure Developers PEG Ratio Competitor Comparison
For the Infrastructure Operations subindustry, IRB Infrastructure Developers'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.
IRB Infrastructure Developers PEG Ratio vs Construction Industry
For the Construction industry and Industrials sector, IRB Infrastructure Developers's PEG Ratio distribution charts can be found below:
* The bar in red indicates where IRB Infrastructure Developers'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.
IRB Infrastructure Developers (NSE:IRB) has a PEG Ratio of 48.19 as of Jul. 06, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on IRB Infrastructure Developers and its competitors. This is 6412% above median its historical median of 0.74. Over the past decade, IRB Infrastructure Developers' PEG Ratio has ranged from 0.40 to 48.19. According to the industry distribution chart, IRB Infrastructure Developers ranks #671 out of 683 companies in the Construction industry, placing it in the top 98.2%.
Is IRB Infrastructure Developers' PEG Ratio too high?
IRB Infrastructure Developers' current PEG Ratio of 48.19 is 6412% above median its 10-year median of 0.74. Over the past 10 years, this metric has ranged from a low of 0.40 to a high of 48.19. The Construction industry median PEG Ratio is 1.13. IRB Infrastructure Developers' value of 48.19 is 4164.6% above this industry median. Based on the distribution chart, IRB Infrastructure Developers ranks #671 out of 683 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, IRB Infrastructure Developers has a GF Score™ of 77/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does IRB Infrastructure Developers' PEG Ratio compare to competitors?
According to the Construction industry distribution chart, IRB Infrastructure Developers ranks #671 out of 683 companies for PEG Ratio. This places IRB Infrastructure Developers in the lower half of its industry. The industry median PEG Ratio is 1.13. IRB Infrastructure Developers' value of 48.19 is 4164.6% above this benchmark. Historically, IRB Infrastructure Developers' own PEG Ratio has ranged from 0.40 to 48.19 over the past decade. While the company's 10-year median is 0.74 vs. the industry median of 1.13, IRB Infrastructure Developers 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 Construction company?
The median PEG Ratio among Construction companies is 1.13, based on 683 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. IRB Infrastructure Developers's current PEG Ratio of 48.19 is 4164.6% 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 IRB Infrastructure Developers and its competitors. For the Construction industry, the median PEG Ratio is 1.13 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. IRB Infrastructure Developers's current PEG Ratio is 48.19, which is 6412% above median its own 10-year median of 0.74. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is IRB Infrastructure Developers stock overvalued right now?
Based on GuruFocus' analysis, IRB Infrastructure Developers (NSE:IRB) is currently considered Fairly Valued. The stock's GF Value™ is ₹21.73, compared to a current price of ₹21.30 — trading 2% below its estimated fair value. The current PEG Ratio is 48.19, which is 6412% above median its 10-year median of 0.74 and 4164.6% above the Construction industry median of 1.13. IRB Infrastructure Developers' overall GF Score™ is 77/100 with 8 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 IRB Infrastructure Developers (NSE:IRB), the current PEG Ratio is 48.19 as of Jul. 06, 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 IRB Infrastructure Developers (NSE:IRB) Overvalued in 2026?
Based on GuruFocus' analysis, IRB Infrastructure Developers stock appears to be undervalued.
The current stock price of ₹21.30 is trading 2% below its estimated GF Value™ of ₹21.73.
GuruFocus considers IRB Infrastructure Developers to be Fairly Valued.
Key valuation signals for NSE:IRB:
PEG Ratio: 48.19 (6412% above median its 10-year median of 0.74)
GF Value™: ₹21.73 vs. price of ₹21.30 (2% below fair value)
Industry Position: 4164.6% above the Construction median (#671 of 683)
No single metric tells the full story. See the NSE:IRB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
IRB Infrastructure Developers Business Description
IRB Infrastructure Developers Ltd is an infrastructure and construction company. The company organizes itself into segments: Built, Operate and Transfer (BOT)/ Toll, Operate and Transfer (TOT) segment consist of operation and maintenance of roads; InvITs & Related Assets segment consists of investments in units of IRB Infrastructure Trust, IRB InvIT Fund and other related assets; and Construction segment consists of development and maintenance of roads. It derives maximum revenue from Construction segment.
77GF Score
Get the complete analysis for NSE:IRB
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
NSE:IRB has been successfully added to your 
