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DiplomaDPLMF 97 3-Year Book Growth Rate is 11.60% as of Mar. 2026, which is 20% above its 10-year median of 9.70. GuruFocus rates DPLMF with a GF Score™ of 97/100 and a GF Value™ of $76.26 (Modestly Overvalued). The stock has 7 warning signs investors should review. Among 151 Industrial Distribution companies, Diploma ranks better than 76.16% on this metric.
During the past 12 months, Diploma's average Book Value per Share Growth Rate was 11.40% per year.
During the past 3 years, the average Book Value per Share Growth Rate was 11.60% per year.
During the past 5 years, the average Book Value per Share Growth Rate was 13.10% per year.
During the past 10 years, the average Book Value per Share Growth Rate was 16.90% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
During the past 13 years, the highest 3-Year average Book Value per Share Growth Rate of Diploma was 23.20% per year. The lowest was -15.60% per year. And the median was 9.70% per year.
Diploma (OTCPK:DPLMF) 3-Year Book Growth Rate Explanation
Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.
Diploma 3-Year Book Growth Rate Related Terms
DPLMF vs GWW, FAST, FERG: 3-Year Book Growth Rate Comparison
For the Industrial Distribution subindustry, Diploma's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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 3-Year Book Growth Rate vs Industrial Distribution Industry
For the Industrial Distribution industry and Industrials sector, Diploma's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where Diploma's 3-Year Book Growth Rate falls into.
This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
What does a 3-Year Book Growth Rate of 11.60% mean?
Diploma (DPLMF) has a 3-Year Book Growth Rate of 11.60% as of Mar. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Diploma and its competitors. This is 20% above median its historical median of 9.70. According to the industry distribution chart, Diploma ranks #36 out of 151 companies in the Industrial Distribution industry, placing it in the top 23.8%.
Is Diploma's 3-Year Book Growth Rate too high?
Diploma's current 3-Year Book Growth Rate of 11.60% is 20% above median its 10-year median of 9.70. The Industrial Distribution industry median 3-Year Book Growth Rate is 5.70. Diploma's value of 11.60% is 103.5% above this industry median. Based on the distribution chart, Diploma ranks #36 out of 151 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 97/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Diploma's 3-Year Book Growth Rate compare to GWW and FAST?
According to the Industrial Distribution industry distribution chart, Diploma ranks #36 out of 151 companies for 3-Year Book Growth Rate. This places Diploma in the top 24% of its industry — outperforming the majority of peers. The industry median 3-Year Book Growth Rate is 5.70. Diploma's value of 11.60% is 103.5% above this benchmark. While the company's 10-year median is 9.70 vs. the industry median of 5.70, 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 3-Year Book Growth Rate for an Industrial Distribution company?
The median 3-Year Book Growth Rate among Industrial Distribution companies is 5.70, based on 151 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year Book Growth Rate significantly above this median, while those in the bottom quartile fall well below. However, 3-Year Book Growth Rate should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Diploma's current 3-Year Book Growth Rate of 11.60% is 103.5% 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 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Diploma and its competitors. For the Industrial Distribution industry, the median 3-Year Book Growth Rate is 5.70 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Diploma's current 3-Year Book Growth Rate is 11.60%, which is 20% above median its own 10-year median of 9.70. 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 $76.26, compared to a current price of $94.44 — trading 23.8% above its estimated fair value. The current 3-Year Book Growth Rate is 11.60%, which is 20% above median its 10-year median of 9.70 and 103.5% above the Industrial Distribution industry median of 5.70. Diploma's overall GF Score™ is 97/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For Diploma (DPLMF), the current 3-Year Book Growth Rate is 11.60% 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 $94.44 is trading 23.8% above its estimated GF Value™ of $76.26.
GuruFocus considers Diploma to be Modestly Overvalued.
Key valuation signals for DPLMF:
3-Year Book Growth Rate: 11.60% (20% above median its 10-year median of 9.70)
GF Value™: $76.26 vs. price of $94.44 (23.8% above fair value)
Industry Position: 103.5% above the Industrial Distribution median (#36 of 151)
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.
97GF Score
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