DiplomaDPLMF 96 Cyclically Adjusted PB Ratio is 13.07 as of Jul. 05, 2026, which is 43% above its 10-year median of 9.12. GuruFocus rates DPLMF with a GF Score™ of 96/100 and a GF Value™ of $74.21 (Modestly Overvalued). The stock has 7 warning signs investors should review. Among 127 Industrial Distribution companies, Diploma ranks worse than 95.28% on this metric.
As of today (2026-07-05), Diploma's current share price is $94.50. Diploma's Cyclically Adjusted Book per Share for the fiscal year that ended in Sep25 was $7.23. Diploma's Cyclically Adjusted PB Ratio for today is 13.07.
The historical rank and industry rank for Diploma's Cyclically Adjusted PB Ratio or its related term are showing as below:
DPLMF'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 5.98 Med: 9.12 Max: 14.12
Current: 14.1
During the past 13 years, Diploma's highest Cyclically Adjusted PB Ratio was 14.12. The lowest was 5.98. And the median was 9.12.
DPLMF's Cyclically Adjusted PB Ratio is ranked worse than 95.28% of 127
companies
in the Industrial Distribution industry
Industry Median: 1.31
vs DPLMF: 14.10
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
Diploma's adjusted book value per share data of for the fiscal year that ended in Sep25 was $9.974. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $7.23 for the trailing ten years ended in Sep25.
Shiller PE for Stocks: The True Measure of Stock Valuation
Diploma (OTCPK:DPLMF) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.
Diploma Cyclically Adjusted PB Ratio Related Terms
Diploma Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Diploma's Cyclically Adjusted PB 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.
DPLMF vs GWW, FAST, FERG: Cyclically Adjusted PB Ratio Comparison
For the Industrial Distribution subindustry, Diploma's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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 Cyclically Adjusted PB Ratio vs Industrial Distribution Industry
For the Industrial Distribution industry and Industrials sector, Diploma's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Diploma's Cyclically Adjusted PB Ratio falls into.
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.
Diploma's Cyclically Adjusted PB Ratio for today is calculated as
* 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.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
What does a Cyclically Adjusted PB Ratio of 13.07 mean?
Diploma (DPLMF) has a Cyclically Adjusted PB Ratio of 13.07 as of Jul. 05, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Diploma and its competitors. This is 43% above median its historical median of 9.12. Over the past decade, Diploma's Cyclically Adjusted PB Ratio has ranged from 5.98 to 14.12. According to the industry distribution chart, Diploma ranks #121 out of 127 companies in the Industrial Distribution industry, placing it in the top 95.3%.
Is Diploma's Cyclically Adjusted PB Ratio too high?
Diploma's current Cyclically Adjusted PB Ratio of 13.07 is 43% above median its 10-year median of 9.12. Over the past 10 years, this metric has ranged from a low of 5.98 to a high of 14.12. The Industrial Distribution industry median Cyclically Adjusted PB Ratio is 1.31. Diploma's value of 13.07 is 897.7% above this industry median. Based on the distribution chart, Diploma ranks #121 out of 127 companies in the Industrial Distribution industry, which is in the bottom quartile relative to peers. 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 Cyclically Adjusted PB Ratio compare to GWW and FAST?
According to the Industrial Distribution industry distribution chart, Diploma ranks #121 out of 127 companies for Cyclically Adjusted PB Ratio. This places Diploma in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.31. Diploma's value of 13.07 is 897.7% above this benchmark. Historically, Diploma's own Cyclically Adjusted PB Ratio has ranged from 5.98 to 14.12 over the past decade. While the company's 10-year median is 9.12 vs. the industry median of 1.31, 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 Cyclically Adjusted PB Ratio for an Industrial Distribution company?
The median Cyclically Adjusted PB Ratio among Industrial Distribution companies is 1.31, based on 127 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Diploma's current Cyclically Adjusted PB Ratio of 13.07 is 897.7% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Diploma and its competitors. For the Industrial Distribution industry, the median Cyclically Adjusted PB Ratio is 1.31 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Diploma's current Cyclically Adjusted PB Ratio is 13.07, which is 43% above median its own 10-year median of 9.12. 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 $74.21, compared to a current price of $94.50 — trading 27.3% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 13.07, which is 43% above median its 10-year median of 9.12 and 897.7% above the Industrial Distribution industry median of 1.31. 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 Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Diploma (DPLMF), the current Cyclically Adjusted PB Ratio is 13.07 as of Jul. 05, 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 $94.50 is trading 27.3% above its estimated GF Value™ of $74.21.
GuruFocus considers Diploma to be Modestly Overvalued.
Key valuation signals for DPLMF:
Cyclically Adjusted PB Ratio: 13.07 (43% above median its 10-year median of 9.12)
GF Value™: $74.21 vs. price of $94.50 (27.3% above fair value)
Industry Position: 897.7% above the Industrial Distribution median (#121 of 127)
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 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
Cyclically Adjusted PB 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
DPLMF has been successfully added to your 
