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SunTSE:4053 +0.89%83 PB Ratio is 1.57 as of Jul. 14, 2026, which is 67% below its 10-year median of 4.71. GuruFocus rates TSE:4053 with a GF Score™ of 83/100 and a GF Value™ of 円1,098.70 (Significantly Undervalued). The stock has 2 warning signs investors should review. Among 2,629 Software companies, Sun ranks better than 68.12% on this metric.
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. As of today (2026-07-14), Sun's share price is 円452.00. Sun's Book Value per Share for the quarter that ended in Dec. 2025 was 円287.56. Hence, Sun's PB Ratio of today is 1.57.
Good Sign:
Sun Inc stock PB Ratio (=1.53) is close to 10-year low of 1.38.
The historical rank and industry rank for Sun's PB Ratio or its related term are showing as below:
TSE:4053'
s PB Ratio Range Over the Past 10 Years
Min: 1.38 Med: 4.71 Max: 46.71
Current: 1.56
During the past 8 years, Sun's highest PB Ratio was 46.71. The lowest was 1.38. And the median was 4.71.
TSE:4053's PB Ratio is ranked better than 68.12% of 2629
companies
in the Software industry
Industry Median: 2.39
vs TSE:4053: 1.56
During the past 12 months, Sun's average Book Value Per Share Growth Rate was 2.30% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 11.10% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 15.80% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of Sun was 50.80% per year. The lowest was 11.10% per year. And the median was 19.20% per year.
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.
Sun PB Ratio Related Terms
Sun PB Ratio Historical Data
* Premium members only.
The historical data trend for Sun's 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.
For the Information Technology Services subindustry, Sun'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.
Sun PB Ratio vs Software Industry
For the Software industry and Technology sector, Sun's PB Ratio distribution charts can be found below:
* The bar in red indicates where Sun'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.
Sun's PB Ratio for today is calculated as follows:
* 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.
Sun (TSE:4053) has a PB Ratio of 1.57 as of Jul. 14, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Sun and its competitors. This is 67% below median its historical median of 4.71. Over the past decade, Sun's PB Ratio has ranged from 1.38 to 46.71. According to the industry distribution chart, Sun ranks #838 out of 2629 companies in the Software industry, placing it in the top 31.9%.
Is Sun's PB Ratio too high?
Sun's current PB Ratio of 1.57 is 67% below median its 10-year median of 4.71. Over the past 10 years, this metric has ranged from a low of 1.38 to a high of 46.71. The Software industry median PB Ratio is 2.39. Sun's value of 1.57 is 34.3% below this industry median. Based on the distribution chart, Sun ranks #838 out of 2629 companies in the Software industry, which is above the industry midpoint. Overall, Sun has a GF Score™ of 83/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Sun's PB Ratio compare to IBM and ACN?
According to the Software industry distribution chart, Sun ranks #838 out of 2629 companies for PB Ratio. This puts Sun in the upper half of its industry. The industry median PB Ratio is 2.39. Sun's value of 1.57 is 34.3% below this benchmark. Historically, Sun's own PB Ratio has ranged from 1.38 to 46.71 over the past decade. While the company's 10-year median is 4.71 vs. the industry median of 2.39, Sun has consistently been below 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 Software company?
The median PB Ratio among Software companies is 2.39, based on 2,629 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. Sun's current PB Ratio of 1.57 is 34.3% below 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 Sun and its competitors. For the Software industry, the median PB Ratio is 2.39 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sun's current PB Ratio is 1.57, which is 67% below median its own 10-year median of 4.71. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sun stock overvalued right now?
Based on GuruFocus' analysis, Sun (TSE:4053) is currently considered Significantly Undervalued. The stock's GF Value™ is 円1,098.70, compared to a current price of 円452.00 — trading 58.9% below its estimated fair value. The current PB Ratio is 1.57, which is 67% below median its 10-year median of 4.71 and 34.3% below the Software industry median of 2.39. Sun's overall GF Score™ is 83/100 with 2 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 Sun (TSE:4053), the current PB Ratio is 1.57 as of Jul. 14, 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 Sun (TSE:4053) Overvalued in 2026?
Based on GuruFocus' analysis, Sun stock appears to be undervalued.
The current stock price of 円452.00 is trading 58.9% below its estimated GF Value™ of 円1,098.70.
GuruFocus considers Sun to be Significantly Undervalued.
Key valuation signals for TSE:4053:
PB Ratio: 1.57 (67% below median its 10-year median of 4.71)
GF Value™: 円1,098.70 vs. price of 円452.00 (58.9% below fair value)
Industry Position: 34.3% below the Software median (#838 of 2629)
No single metric tells the full story. See the TSE:4053 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Sun Inc provides digital creative studio business promoting industrial digitalization. The company supports startups in design thinking, lean startup, agile development, original DevOps tools.
83GF Score
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