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.
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.
Delta Electronics (Thailand) PCLBKK:DELTA-R 87 3-Year Book Growth Rate is 20.90% as of Jun. 2026, which is 207% above its 10-year median of 6.80. GuruFocus rates BKK:DELTA-R with a GF Score™ of 87/100 and a GF Value™ of ฿127.68. Among 2,943 Industrial Products companies, Delta Electronics (Thailand) PCL ranks better than 83.42% on this metric.
During the past 12 months, Delta Electronics (Thailand) PCL's average Book Value per Share Growth Rate was 25.50% per year.
During the past 3 years, the average Book Value per Share Growth Rate was 20.90% per year.
During the past 5 years, the average Book Value per Share Growth Rate was 21.80% per year.
During the past 10 years, the average Book Value per Share Growth Rate was 12.40% 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 Delta Electronics (Thailand) PCL was 24.50% per year. The lowest was 1.10% per year. And the median was 6.80% per year.
Delta Electronics (Thailand) PCL (BKK:DELTA-R) 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.
Delta Electronics (Thailand) PCL 3-Year Book Growth Rate Related Terms
BKK:DELTA-R vs VRT, BE: 3-Year Book Growth Rate Comparison
For the Electrical Equipment & Parts subindustry, Delta Electronics (Thailand) PCL'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.
Delta Electronics (Thailand) PCL 3-Year Book Growth Rate vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Delta Electronics (Thailand) PCL's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where Delta Electronics (Thailand) PCL's 3-Year Book Growth Rate falls into.
Delta Electronics (Thailand) PCL 3-Year Book Growth Rate Calculation
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 20.90% mean?
Delta Electronics (Thailand) PCL (BKK:DELTA-R) has a 3-Year Book Growth Rate of 20.90% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Delta Electronics (Thailand) PCL and its competitors. This is 207% above median its historical median of 6.80. Over the past decade, Delta Electronics (Thailand) PCL's 3-Year Book Growth Rate has ranged from 1.10 to 24.50. According to the industry distribution chart, Delta Electronics (Thailand) PCL ranks #488 out of 2943 companies in the Industrial Products industry, placing it in the top 16.6%.
Is Delta Electronics (Thailand) PCL's 3-Year Book Growth Rate too high?
Delta Electronics (Thailand) PCL's current 3-Year Book Growth Rate of 20.90% is 207% above median its 10-year median of 6.80. Over the past 10 years, this metric has ranged from a low of 1.10 to a high of 24.50. The Industrial Products industry median 3-Year Book Growth Rate is 5.90. Delta Electronics (Thailand) PCL's value of 20.90% is 254.2% above this industry median. Based on the distribution chart, Delta Electronics (Thailand) PCL ranks #488 out of 2943 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Delta Electronics (Thailand) PCL has a GF Score™ of 87/100, reflecting its overall financial health beyond just this single metric.
How does Delta Electronics (Thailand) PCL's 3-Year Book Growth Rate compare to VRT and BE?
According to the Industrial Products industry distribution chart, Delta Electronics (Thailand) PCL ranks #488 out of 2943 companies for 3-Year Book Growth Rate. This places Delta Electronics (Thailand) PCL in the top 17% of its industry — outperforming the majority of peers. The industry median 3-Year Book Growth Rate is 5.90. Delta Electronics (Thailand) PCL's value of 20.90% is 254.2% above this benchmark. Historically, Delta Electronics (Thailand) PCL's own 3-Year Book Growth Rate has ranged from 1.10 to 24.50 over the past decade. While the company's 10-year median is 6.80 vs. the industry median of 5.90, Delta Electronics (Thailand) PCL 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 Products company?
The median 3-Year Book Growth Rate among Industrial Products companies is 5.90, based on 2,943 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. Delta Electronics (Thailand) PCL's current 3-Year Book Growth Rate of 20.90% is 254.2% 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 Delta Electronics (Thailand) PCL and its competitors. For the Industrial Products industry, the median 3-Year Book Growth Rate is 5.90 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Delta Electronics (Thailand) PCL's current 3-Year Book Growth Rate is 20.90%, which is 207% above median its own 10-year median of 6.80. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Delta Electronics (Thailand) PCL stock overvalued right now?
Delta Electronics (Thailand) PCL (BKK:DELTA-R) has a current 3-Year Book Growth Rate of 20.90%. The stock's GF Value™ is ฿127.68, compared to a current price of ฿199.00 — trading 55.9% above its estimated fair value. The current 3-Year Book Growth Rate is 20.90%, which is 207% above median its 10-year median of 6.80 and 254.2% above the Industrial Products industry median of 5.90. Delta Electronics (Thailand) PCL's overall GF Score™ is 87/100. 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 Delta Electronics (Thailand) PCL (BKK:DELTA-R), the current 3-Year Book Growth Rate is 20.90% as of Jun. 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 Delta Electronics (Thailand) PCL (BKK:DELTA-R) Overvalued in 2026?
Based on GuruFocus' analysis, Delta Electronics (Thailand) PCL stock appears to be overvalued.
The current stock price of ฿199.00 is trading 55.9% above its estimated GF Value™ of ฿127.68.
Key valuation signals for BKK:DELTA-R:
3-Year Book Growth Rate: 20.90% (207% above median its 10-year median of 6.80)
GF Value™: ฿127.68 vs. price of ฿199.00 (55.9% above fair value)
Industry Position: 254.2% above the Industrial Products median (#488 of 2943)
No single metric tells the full story. See the BKK:DELTA-R stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Delta Electronics (Thailand) PCL manufactures and distributes power supplies, electronic equipment, and components such as DC fans, EMI filters, solenoids, etc. The group's reportable segments are: Power electronics, Mobility, Infrastructure, Automation, and Others. The majority of its revenue is generated from the Power electronics segment, which designs, manufactures, and sells power supplies applied to computer, server, office automation equipment, and household electric appliances. The Mobility segment makes EV power systems, the Infrastructure segment builds ICT and energy systems, and the Automation segment offers industrial and building automation. Geographically, the group generates maximum revenue from the United States, followed by Singapore, Germany, Taiwan, and other markets.
87GF Score
Get the complete analysis for BKK:DELTA-R
3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
BKK:DELTA-R has been successfully added to your 
