DPLMF (Diploma) Price-to-Tangible-Book: (As of Sep. 17, 2026)

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
96 GF Score
Price $98.18
GF Value $78.32
Valuation Modestly Overvalued
! 5 Warning Signs
View Full Analysis

What is Diploma Price-to-Tangible-Book?

As of today (2026-09-17), Diploma's share price is $98.18. Diploma's Tangible Book per Share of Mar. 2026 for the quarter that ended in Mar. 2026 was $-0.51. Hence, Diploma's Price to Tangible Book Ratio of today is .

The historical rank and industry rank for Diploma's Price-to-Tangible-Book or its related term are showing as below:

During the past 13 years, Diploma's highest Price to Tangible Book Ratio was 141.92. The lowest was 9.87. And the median was 15.17.

DPLMF's Price-to-Tangible-Book is not ranked *
in the Industrial Distribution industry.
Industry Median: 1.26
* Ranked among companies with meaningful Price-to-Tangible-Book only.

A closely related ratio is called PB Ratio. As of today, Diploma's share price is $98.18. Diploma's Book Value per Sharefor the quarter that ended in Mar. 2026 was $10.39. Hence, Diploma's P/B Ratio of today is 9.45.

Be Aware

Some businesses have very light assets, such as software companies or insurance agencies. The Price-to-Book Ratio does not work well for these companies. Some companies even have negative equity, so the Price-to-Book Ratio cannot be applied to them.

Diploma Price-to-Tangible-Book Related Terms

Diploma Price-to-Tangible-Book Historical Data

* Premium members only.

The historical data trend for Diploma's Price-to-Tangible-Book 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 Price-to-Tangible-Book Chart

Diploma Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
Price-to-Tangible-Book
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Diploma Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
Price-to-Tangible-Book 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 0.00 0.00 0.00 0.00

DPLMF vs GWW, FAST, FERG: Price-to-Tangible-Book Comparison

For the Industrial Distribution subindustry, Diploma's Price-to-Tangible-Book, along with its competitors' market caps and Price-to-Tangible-Book 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 Price-to-Tangible-Book vs Industrial Distribution Industry

For the Industrial Distribution industry and Industrials sector, Diploma's Price-to-Tangible-Book distribution charts can be found below:

* The bar in red indicates where Diploma's Price-to-Tangible-Book falls into.


DPLMF
96GF Score
Diploma PLC DPLMF
Price-to-Tangible-Book is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Diploma Price-to-Tangible-Book Calculation

Diploma's price-to-tangible-book ratio for today is calculated as:

Price to Tangible Book=Share Price/Tangible Book per Share (Q: Mar. 2026 )
=98.18/-0.506
=

* 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.

It can also be calculated from the numbers for the whole company:

Price to Tangible Book=Market Cap/Tangible Equity
=Market Cap/(Total Stockholders Equity-Preferred Stock-Intangible Assets)

A closely related ratio is called PB Ratio. The difference between Price-to-Tangible-Book Ratio and PB Ratio is that book value other than intangibles are used in the calculation.

Is Diploma (DPLMF) Overvalued in 2026?

Based on GuruFocus' analysis, Diploma stock appears to be overvalued. The current stock price of $98.18 is trading 25.4% above its estimated GF Value™ of $78.32. GuruFocus considers Diploma to be Modestly Overvalued.

Key valuation signals for DPLMF:

  • Price-to-Tangible-Book:
  • GF Value™: $78.32 vs. price of $98.18 (25.4% above fair value)
  • GF Score™: 96/100 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.
96GF Score

Get the complete analysis for DPLMF

Price-to-Tangible-Book is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$98.18
Price
$78.32
GF Value