DPMAY (Diploma) EBITDA Margin %: 23.55% (As of Mar. 2026) — 46% Above Median


DPMAY Diploma PLC DPMAY
75 GF Score
Price $23.63
GF Value $18.81
Valuation Modestly Overvalued
! 7 Warning Signs
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What is Diploma EBITDA Margin %?

Diploma DPMAY +2.87% 75 EBITDA Margin % is 23.55% as of Mar. 2026, which is 46% above its 10-year median of 16.11. GuruFocus rates DPMAY with a GF Score™ of 75/100 and a GF Value™ of $18.81 (Modestly Overvalued). The stock has 7 warning signs investors should review. Among 157 Industrial Distribution companies, Diploma ranks better than 97.45% on this metric.

EBITDA Margin % is calculated as EBITDA divided by its Revenue. Diploma's EBITDA for the six months ended in Mar. 2026 was $267 Mil. Diploma's Revenue for the six months ended in Mar. 2026 was $1,135 Mil. Therefore, Diploma's EBITDA margin for the quarter that ended in Mar. 2026 was 23.55%.


Diploma  (OTCPK:DPMAY) EBITDA Margin % Explanation

EBITDA Margin % is the ratio of EBITDA divided by net sales or Revenue. It is an performance metric measuring company's operating profitability. EBITDA Margin takes depreciation and amortization, interest expense and tax into account, which makes it easy to compare the relative profitability of companies of different sizes in the same industry.


Diploma EBITDA Margin % Related Terms


Diploma EBITDA Margin % Historical Data

* Premium members only.

The historical data trend for Diploma's EBITDA Margin % 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 EBITDA Margin % Chart

Diploma Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
EBITDA Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 15.66 16.22 21.37 21.59 24.02

Diploma Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
EBITDA Margin % 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 20.59 22.47 24.96 23.17 23.55

DPMAY vs GWW, FAST, FERG: EBITDA Margin % Comparison

For the Industrial Distribution subindustry, Diploma's EBITDA Margin %, along with its competitors' market caps and EBITDA Margin % 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 EBITDA Margin % vs Industrial Distribution Industry

For the Industrial Distribution industry and Industrials sector, Diploma's EBITDA Margin % distribution charts can be found below:

* The bar in red indicates where Diploma's EBITDA Margin % falls into.


DPMAY
75GF Score
Diploma PLC DPMAY
EBITDA Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Diploma EBITDA Margin % Calculation

EBITDA margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent.

Diploma's EBITDA Margin % for the fiscal year that ended in Sep. 2025 is calculated as

EBITDA Margin %=EBITDA (A: Sep. 2025 )/Revenue (A: Sep. 2025 )
=494.865/2060.135
=24.02 %

Diploma's EBITDA Margin % for the quarter that ended in Mar. 2026 is calculated as

EBITDA Margin %=EBITDA (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=267.2/1134.8
=23.55 %

* 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.

Frequently Asked Questions Learn more about EBITDA Margin % →
What does a EBITDA Margin % of 23.55% mean?
Diploma (DPMAY) has a EBITDA Margin % of 23.55% as of Mar. 2026. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Diploma and its competitors. This is 46% above median its historical median of 16.11. Over the past decade, Diploma's EBITDA Margin % has ranged from 15.32 to 24.02. According to the industry distribution chart, Diploma ranks #4 out of 157 companies in the Industrial Distribution industry, placing it in the top 2.5%.
Is Diploma's EBITDA Margin % too high?
Diploma's current EBITDA Margin % of 23.55% is 46% above median its 10-year median of 16.11. Over the past 10 years, this metric has ranged from a low of 15.32 to a high of 24.02. The Industrial Distribution industry median EBITDA Margin % is 7.44. Diploma's value of 23.55% is 216.5% above this industry median. Based on the distribution chart, Diploma ranks #4 out of 157 companies in the Industrial Distribution industry, which is in the top quartile — a strong position relative to peers. Overall, Diploma has a GF Score™ of 75/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Diploma's EBITDA Margin % compare to GWW and FAST?
According to the Industrial Distribution industry distribution chart, Diploma ranks #4 out of 157 companies for EBITDA Margin %. This places Diploma in the top 3% of its industry — outperforming the majority of peers. The industry median EBITDA Margin % is 7.44. Diploma's value of 23.55% is 216.5% above this benchmark. Historically, Diploma's own EBITDA Margin % has ranged from 15.32 to 24.02 over the past decade. While the company's 10-year median is 16.11 vs. the industry median of 7.44, Diploma 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 EBITDA Margin % for an Industrial Distribution company?
The median EBITDA Margin % among Industrial Distribution companies is 7.44, based on 157 companies in the industry. Companies in the top quartile (top 25%) have a EBITDA Margin % significantly above this median, while those in the bottom quartile fall well below. However, EBITDA Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Diploma's current EBITDA Margin % of 23.55% is 216.5% 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 EBITDA Margin % mean?
A high EBITDA Margin % can signal that a stock is expensive relative to its fundamentals. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Diploma and its competitors. For the Industrial Distribution industry, the median EBITDA Margin % is 7.44 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Diploma's current EBITDA Margin % is 23.55%, which is 46% above median its own 10-year median of 16.11. 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 (DPMAY) is currently considered Modestly Overvalued. The stock's GF Value™ is $18.81, compared to a current price of $23.63 — trading 25.6% above its estimated fair value. The current EBITDA Margin % is 23.55%, which is 46% above median its 10-year median of 16.11 and 216.5% above the Industrial Distribution industry median of 7.44. Diploma's overall GF Score™ is 75/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EBITDA Margin % calculated?
EBITDA Margin % is calculated from a company's financial statements. For Diploma (DPMAY), the current EBITDA Margin % is 23.55% as of Mar. 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 (DPMAY) Overvalued in 2026?

Based on GuruFocus' analysis, Diploma stock appears to be overvalued. The current stock price of $23.63 is trading 25.6% above its estimated GF Value™ of $18.81. GuruFocus considers Diploma to be Modestly Overvalued.

Key valuation signals for DPMAY:

  • EBITDA Margin %: 23.55% (46% above median its 10-year median of 16.11)
  • GF Value™: $18.81 vs. price of $23.63 (25.6% above fair value)
  • GF Score™: 75/100 with 7 warning signs
  • Industry Position: 216.5% above the Industrial Distribution median (#4 of 157)

No single metric tells the full story. See the DPMAY 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.
75GF Score

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

$23.63
Price
$18.81
GF Value