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JoulWatt Technology CoSHSE:688141 +20.00%52 PB Ratio is 49.55 as of Jul. 21, 2026, which is 645% above its 10-year median of 6.65. GuruFocus rates SHSE:688141 with a GF Score™ of 52/100 and a GF Value™ of ¥56.33 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 2,418 Hardware companies, JoulWatt Technology Co ranks worse than 99.34% on this metric.
The historical rank and industry rank for JoulWatt Technology Co's PB Ratio or its related term are showing as below:
SHSE:688141'
s PB Ratio Range Over the Past 10 Years
Min: 2.41 Med: 6.65 Max: 56.28
Current: 49.59
During the past 8 years, JoulWatt Technology Co's highest PB Ratio was 56.28. The lowest was 2.41. And the median was 6.65.
SHSE:688141's PB Ratio is ranked worse than 99.34% of 2418
companies
in the Hardware industry
Industry Median: 2.165
vs SHSE:688141: 49.59
During the past 12 months, JoulWatt Technology Co's average Book Value Per Share Growth Rate was -37.00% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -21.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 22.30% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of JoulWatt Technology Co was 386.70% per year. The lowest was -21.60% per year. And the median was 47.80% per year.
Back to Basics: PB Ratio
JoulWatt Technology Co (SHSE:688141) PB Ratio Explanation
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
* 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.
For the Electronic Components subindustry, JoulWatt Technology Co's PB Ratio, along with its competitors' market caps and 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.
JoulWatt Technology Co PB Ratio vs Hardware Industry
For the Hardware industry and Technology sector, JoulWatt Technology Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where JoulWatt Technology Co's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* 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:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
JoulWatt Technology Co (SHSE:688141) has a PB Ratio of 49.55 as of Jul. 21, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on JoulWatt Technology Co and its competitors. This is 645% above median its historical median of 6.65. Over the past decade, JoulWatt Technology Co's PB Ratio has ranged from 2.41 to 56.28. According to the industry distribution chart, JoulWatt Technology Co ranks #2402 out of 2418 companies in the Hardware industry, placing it in the top 99.3%.
Is JoulWatt Technology Co's PB Ratio too high?
JoulWatt Technology Co's current PB Ratio of 49.55 is 645% above median its 10-year median of 6.65. Over the past 10 years, this metric has ranged from a low of 2.41 to a high of 56.28. The Hardware industry median PB Ratio is 2.17. JoulWatt Technology Co's value of 49.55 is 2188.7% above this industry median. Based on the distribution chart, JoulWatt Technology Co ranks #2402 out of 2418 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, JoulWatt Technology Co has a GF Score™ of 52/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does JoulWatt Technology Co's PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, JoulWatt Technology Co ranks #2402 out of 2418 companies for PB Ratio. This places JoulWatt Technology Co in the lower half of its industry. The industry median PB Ratio is 2.17. JoulWatt Technology Co's value of 49.55 is 2188.7% above this benchmark. Historically, JoulWatt Technology Co's own PB Ratio has ranged from 2.41 to 56.28 over the past decade. While the company's 10-year median is 6.65 vs. the industry median of 2.17, JoulWatt Technology Co 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 PB Ratio for a Hardware company?
The median PB Ratio among Hardware companies is 2.17, based on 2,418 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. JoulWatt Technology Co's current PB Ratio of 49.55 is 2188.7% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on JoulWatt Technology Co and its competitors. For the Hardware industry, the median PB Ratio is 2.17 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. JoulWatt Technology Co's current PB Ratio is 49.55, which is 645% above median its own 10-year median of 6.65. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is JoulWatt Technology Co stock overvalued right now?
Based on GuruFocus' analysis, JoulWatt Technology Co (SHSE:688141) is currently considered Significantly Overvalued. The stock's GF Value™ is ¥56.33, compared to a current price of ¥137.36 — trading 143.8% above its estimated fair value. The current PB Ratio is 49.55, which is 645% above median its 10-year median of 6.65 and 2188.7% above the Hardware industry median of 2.17. JoulWatt Technology Co's overall GF Score™ is 52/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For JoulWatt Technology Co (SHSE:688141), the current PB Ratio is 49.55 as of Jul. 21, 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 JoulWatt Technology Co (SHSE:688141) Overvalued in 2026?
Based on GuruFocus' analysis, JoulWatt Technology Co stock appears to be overvalued.
The current stock price of ¥137.36 is trading 143.8% above its estimated GF Value™ of ¥56.33.
GuruFocus considers JoulWatt Technology Co to be Significantly Overvalued.
Key valuation signals for SHSE:688141:
PB Ratio: 49.55 (645% above median its 10-year median of 6.65)
GF Value™: ¥56.33 vs. price of ¥137.36 (143.8% above fair value)
Industry Position: 2188.7% above the Hardware median (#2402 of 2418)
No single metric tells the full story. See the SHSE:688141 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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