DPLMF (Diploma) PEG Ratio: 1.09 (As of Jun. 26, 2026) — 64% Below Median


DPLMF Diploma PLC DPLMF
96 GF Score
Price $92.29
GF Value $73.82
Valuation Modestly Overvalued
! 7 Warning Signs
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What is Diploma PEG Ratio?

Diploma DPLMF 96 PEG Ratio is 1.09 as of Jun. 26, 2026, which is 64% below its 10-year median of 3.07. GuruFocus rates DPLMF with a GF Score™ of 96/100 and a GF Value™ of $73.82 (Modestly Overvalued). The stock has 7 warning signs investors should review. Among 90 Industrial Distribution companies, Diploma ranks better than 55.56% on this metric.

PE Ratio without NRI / 5-Year EBITDA Growth Rate*

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, Diploma's PE Ratio without NRI is 33.66. Diploma's 5-Year EBITDA growth rate is 30.80%. Therefore, Diploma's PEG Ratio for today is 1.09.

* 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 Diploma's PEG Ratio or its related term are showing as below:

DPLMF' s PEG Ratio Range Over the Past 10 Years
Min: 0.94   Med: 3.07   Max: 7.68
Current: 1.14


During the past 13 years, Diploma's highest PEG Ratio was 7.68. The lowest was 0.94. And the median was 3.07.


DPLMF's PEG Ratio is ranked better than
55.56% of 90 companies
in the Industrial Distribution industry
Industry Median: 1.36 vs DPLMF: 1.14

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Diploma  (OTCPK:DPLMF) 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.


Diploma PEG Ratio Related Terms


Diploma PEG Ratio Historical Data

* Premium members only.

The historical data trend for Diploma's PEG Ratio can be seen below:

* 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.

Diploma PEG Ratio Chart

Diploma Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
PEG Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 4.54 1.53 1.06 1.13 0.98

Diploma Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
PEG Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 1.13 0.00 0.98 0.00

DPLMF vs GWW, FAST, FERG: PEG Ratio Comparison

For the Industrial Distribution subindustry, Diploma'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.


Diploma PEG Ratio vs Industrial Distribution Industry

For the Industrial Distribution industry and Industrials sector, Diploma's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Diploma's PEG Ratio falls into.


DPLMF
96GF Score
Diploma PLC DPLMF
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Diploma PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

Diploma's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=33.657913931437/30.80
=1.09

* 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.

Frequently Asked Questions Learn more about PEG Ratio →
What does a PEG Ratio of 1.09 mean?
Diploma (DPLMF) has a PEG Ratio of 1.09 as of Jun. 26, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Diploma and its competitors. This is 64% below median its historical median of 3.07. Over the past decade, Diploma's PEG Ratio has ranged from 0.94 to 7.68. According to the industry distribution chart, Diploma ranks #40 out of 90 companies in the Industrial Distribution industry, placing it in the top 44.4%.
Is Diploma's PEG Ratio too high?
Diploma's current PEG Ratio of 1.09 is 64% below median its 10-year median of 3.07. Over the past 10 years, this metric has ranged from a low of 0.94 to a high of 7.68. The Industrial Distribution industry median PEG Ratio is 1.36. Diploma's value of 1.09 is 19.9% below this industry median. Based on the distribution chart, Diploma ranks #40 out of 90 companies in the Industrial Distribution industry, which is above the industry midpoint. Overall, Diploma has a GF Score™ of 96/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Diploma's PEG Ratio compare to GWW and FAST?
According to the Industrial Distribution industry distribution chart, Diploma ranks #40 out of 90 companies for PEG Ratio. This puts Diploma in the upper half of its industry. The industry median PEG Ratio is 1.36. Diploma's value of 1.09 is 19.9% below this benchmark. Historically, Diploma's own PEG Ratio has ranged from 0.94 to 7.68 over the past decade. While the company's 10-year median is 3.07 vs. the industry median of 1.36, Diploma has consistently been below 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 an Industrial Distribution company?
The median PEG Ratio among Industrial Distribution companies is 1.36, based on 90 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. Diploma's current PEG Ratio of 1.09 is 19.9% below 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 Diploma and its competitors. For the Industrial Distribution industry, the median PEG Ratio is 1.36 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Diploma's current PEG Ratio is 1.09, which is 64% below median its own 10-year median of 3.07. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Diploma stock overvalued right now?
Based on GuruFocus' analysis, Diploma (DPLMF) is currently considered Modestly Overvalued. The stock's GF Value™ is $73.82, compared to a current price of $92.29 — trading 25% above its estimated fair value. The current PEG Ratio is 1.09, which is 64% below median its 10-year median of 3.07 and 19.9% below the Industrial Distribution industry median of 1.36. Diploma's overall GF Score™ is 96/100 with 7 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 Diploma (DPLMF), the current PEG Ratio is 1.09 as of Jun. 26, 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 Diploma (DPLMF) Overvalued in 2026?

Based on GuruFocus' analysis, Diploma stock appears to be overvalued. The current stock price of $92.29 is trading 25% above its estimated GF Value™ of $73.82. GuruFocus considers Diploma to be Modestly Overvalued.

Key valuation signals for DPLMF:

  • PEG Ratio: 1.09 (64% below median its 10-year median of 3.07)
  • GF Value™: $73.82 vs. price of $92.29 (25% above fair value)
  • GF Score™: 96/100 with 7 warning signs
  • Industry Position: 19.9% below the Industrial Distribution median (#40 of 90)

No single metric tells the full story. See the DPLMF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Diploma Business Description

Address 10-11 Charterhouse Square, London, GBR, EC1M 6EE
Diploma PLC is a group of businesses supplying specialised technical products and services to various industries. The Group is organized into three main reportable business sectors: Controls, Seals and Life Sciences. The company offers consumables, instrumentation, and related services to the healthcare and environmental industries; seals, gaskets, filters, cylinders, components, and kits for heavy mobile machinery and industrial equipment; and specialized wiring, connectors, fasteners, and control devices for various applications. It operates in segments such as Wire & Cable (UK), Industrial Automation, Specialty Adhesives, Windy City Wire, Interconnect and Specialty Fasteners. The company operates in UK, USA, Rest of Europe, and Rest of World.
96GF Score

Get the complete analysis for DPLMF

PEG Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$92.29
Price
$73.82
GF Value