DPLMF (Diploma) Profitability Rank: 10 (As of Mar. 2026) — Near Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

DPLMF Diploma PLC DPLMF
97 GF Score
Price $91.29
GF Value $74.12
Valuation Modestly Overvalued
! 5 Warning Signs
View Full Analysis

What is Diploma Profitability Rank?

Diploma DPLMF -3.40% 97 Profitability Rank is 10 as of Mar. 2026, which is at its 10-year median of 10.00. GuruFocus rates DPLMF with a GF Score™ of 97/100 and a GF Value™ of $74.12 (Modestly Overvalued). The stock has 5 warning signs investors should review.

Diploma has the Profitability Rank of 10. It has a higher profitability and may stay that way.

GuruFocus Profitability Rank ranks how profitable a company is and how likely the company's business will stay that way. It is rated on a scale of 1 to 10 and is based on these factors:

1. Operating Margin %
2. Piotroski F-Score
3. Trend of the Operating Margin % (5-year average). The company with an uptrend profit margin has a higher rank.
4. Consistency of the profitability
5. Predictability Rank

A higher score indicates superior profitability, with companies rated 7 or above considered to have more robust and sustainable profit generation. Conversely, a score of 3 or lower suggests challenges in generating consistent profits.

Diploma's Operating Margin % for the quarter that ended in Mar. 2026 was 19.66%. As of today, Diploma's Piotroski F-Score is 7.


Diploma Profitability Rank Related Terms


DPLMF vs GWW, FAST, FERG: Profitability Rank Comparison

For the Industrial Distribution subindustry, Diploma's Profitability Rank, along with its competitors' market caps and Profitability Rank 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 Profitability Rank vs Industrial Distribution Industry

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

* The bar in red indicates where Diploma's Profitability Rank falls into.


DPLMF
97GF Score
Diploma PLC DPLMF
Profitability Rank is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Diploma Profitability Rank Calculation

GuruFocus Profitability Rank ranks how profitable a company is and how likely the company's business will stay that way.

The rank is rated on a scale of 1 to 10. A higher score indicates superior profitability, with companies rated 7 or above considered to have more robust and sustainable profit generation. Conversely, a score of 3 or lower suggests challenges in generating consistent profits.

Diploma has the Profitability Rank of 10. It has a higher profitability and may stay that way.

Profitability Rank is not directly related to the Financial Strength. But if a company is consistently profitable, its financial strength will be stronger.

Profitability Rank is based on these factors:

1. Operating Margin %

Operating Margin % - also known as operating income margin, operating profit margin and return on sales (ROS) - is the ratio of Operating Income divided by net sales or Revenue, usually presented in percent.

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

Operating Margin %=Operating Income (Q: Mar. 2026 ) / Revenue (Q: Mar. 2026 )
=223.067 / 1134.8
=19.66 %

* 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.

2. Piotroski F-Score

Good Sign:

Piotroski F-Score is 7, indicates a very healthy situation.

The zones of discrimination were as such:

Good or high score = 8 or 9
Bad or low score = 0 or 1

Diploma has an F-score of 7. It is a good or high score, which usually indicates a very healthy situation.

3. Trend of the Operating Margin % (5-year average). The company with an uptrend profit margin has a higher rank.

Good Sign:

Diploma PLC operating margin is expanding. Margin expansion is usually a good sign.

4. Consistency of the profitability

5. Predictability Rank

Frequently Asked Questions Learn more about Profitability Rank →
What does a Profitability Rank of 10 mean?
Diploma (DPLMF) has a Profitability Rank of 10 as of Mar. 2026. Profitability and Growth ranks a company based on its profit margins and earnings growth. View historical data on Diploma and its competitors. This is near median its historical median of 10.00. Over the past decade, Diploma's Profitability Rank has ranged from 8.00 to 10.00.
Is Diploma's Profitability Rank too high?
Diploma's current Profitability Rank of 10 is near median its 10-year median of 10.00. Over the past 10 years, this metric has ranged from a low of 8.00 to a high of 10.00. Overall, Diploma has a GF Score™ of 97/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Diploma's Profitability Rank compare to GWW and FAST?
Diploma's Profitability Rank of 10 can be compared against companies in the Industrial Distribution industry. Historically, Diploma's own Profitability Rank has ranged from 8.00 to 10.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Profitability Rank for an Industrial Distribution company?
A good Profitability Rank depends on the Industrial Distribution industry context. However, Profitability Rank should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Profitability Rank mean?
A high Profitability Rank can signal that a stock is expensive relative to its fundamentals. Profitability and Growth ranks a company based on its profit margins and earnings growth. View historical data on Diploma and its competitors. Diploma's current Profitability Rank is 10, which is near median its own 10-year median of 10.00. 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 $74.12, compared to a current price of $91.29 — trading 23.2% above its estimated fair value. The current Profitability Rank is 10, which is near median its 10-year median of 10.00. Diploma's overall GF Score™ is 97/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Profitability Rank calculated?
Profitability Rank is calculated from a company's financial statements. For Diploma (DPLMF), the current Profitability Rank is 10 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 (DPLMF) Overvalued in 2026?

Based on GuruFocus' analysis, Diploma stock appears to be overvalued. The current stock price of $91.29 is trading 23.2% above its estimated GF Value™ of $74.12. GuruFocus considers Diploma to be Modestly Overvalued.

Key valuation signals for DPLMF:

  • Profitability Rank: 10 (near median its 10-year median of 10.00)
  • GF Value™: $74.12 vs. price of $91.29 (23.2% above fair value)
  • GF Score™: 97/100 with 5 warning signs

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.
97GF Score

Get the complete analysis for DPLMF

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

$91.29
Price
$74.12
GF Value