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Nac CoTSE:9788 +0.57%74 Cyclically Adjusted PB Ratio is 1.03 as of Aug. 08, 2026, which is 7% below its 10-year median of 1.11. GuruFocus rates TSE:9788 with a GF Score™ of 74/100 and a GF Value™ of 円589.19 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 1,343 Construction companies, Nac Co ranks better than 53.91% on this metric.
As of today (2026-08-08), Nac Co's current share price is 円525.00. Nac Co's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was 円510.29. Nac Co's Cyclically Adjusted PB Ratio for today is 1.03.
The historical rank and industry rank for Nac Co's Cyclically Adjusted PB Ratio or its related term are showing as below:
TSE:9788'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.84 Med: 1.11 Max: 1.53
Current: 1.04
During the past years, Nac Co's highest Cyclically Adjusted PB Ratio was 1.53. The lowest was 0.84. And the median was 1.11.
TSE:9788's Cyclically Adjusted PB Ratio is ranked better than 53.91% of 1343
companies
in the Construction industry
Industry Median: 1.14
vs TSE:9788: 1.04
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.
Nac Co's adjusted book value per share data for the three months ended in Mar. 2026 was 円552.620. 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 円510.29 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Nac Co (TSE:9788) 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.
Nac Co Cyclically Adjusted PB Ratio Related Terms
Nac Co Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Nac Co'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.
TSE:9788 vs PWR, FIX, EME: Cyclically Adjusted PB Ratio Comparison
For the Engineering & Construction subindustry, Nac Co'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.
Nac Co Cyclically Adjusted PB Ratio vs Construction Industry
For the Construction industry and Industrials sector, Nac Co's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Nac Co'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.
Nac Co'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 1.03 mean?
Nac Co (TSE:9788) has a Cyclically Adjusted PB Ratio of 1.03 as of Aug. 08, 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 Nac Co and its competitors. This is near median its historical median of 1.11. Over the past decade, Nac Co's Cyclically Adjusted PB Ratio has ranged from 0.84 to 1.53. According to the industry distribution chart, Nac Co ranks #619 out of 1343 companies in the Construction industry, placing it in the top 46.1%.
Is Nac Co's Cyclically Adjusted PB Ratio too high?
Nac Co's current Cyclically Adjusted PB Ratio of 1.03 is near median its 10-year median of 1.11. Over the past 10 years, this metric has ranged from a low of 0.84 to a high of 1.53. The Construction industry median Cyclically Adjusted PB Ratio is 1.14. Nac Co's value of 1.03 is 9.6% below this industry median. Based on the distribution chart, Nac Co ranks #619 out of 1343 companies in the Construction industry, which is above the industry midpoint. Overall, Nac Co has a GF Score™ of 74/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Nac Co's Cyclically Adjusted PB Ratio compare to PWR and FIX?
According to the Construction industry distribution chart, Nac Co ranks #619 out of 1343 companies for Cyclically Adjusted PB Ratio. This puts Nac Co in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.14. Nac Co's value of 1.03 is 9.6% below this benchmark. Historically, Nac Co's own Cyclically Adjusted PB Ratio has ranged from 0.84 to 1.53 over the past decade. While the company's 10-year median is 1.11 vs. the industry median of 1.14, Nac Co 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 Cyclically Adjusted PB Ratio for a Construction company?
The median Cyclically Adjusted PB Ratio among Construction companies is 1.14, based on 1,343 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. Nac Co's current Cyclically Adjusted PB Ratio of 1.03 is 9.6% 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 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 Nac Co and its competitors. For the Construction industry, the median Cyclically Adjusted PB Ratio is 1.14 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nac Co's current Cyclically Adjusted PB Ratio is 1.03, which is near median its own 10-year median of 1.11. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Nac Co stock overvalued right now?
Based on GuruFocus' analysis, Nac Co (TSE:9788) is currently considered Modestly Undervalued. The stock's GF Value™ is 円589.19, compared to a current price of 円525.00 — trading 10.9% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.03, which is near median its 10-year median of 1.11 and 9.6% below the Construction industry median of 1.14. Nac Co's overall GF Score™ is 74/100 with 3 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 Nac Co (TSE:9788), the current Cyclically Adjusted PB Ratio is 1.03 as of Aug. 08, 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 Nac Co (TSE:9788) Overvalued in 2026?
Based on GuruFocus' analysis, Nac Co stock appears to be undervalued.
The current stock price of 円525.00 is trading 10.9% below its estimated GF Value™ of 円589.19.
GuruFocus considers Nac Co to be Modestly Undervalued.
Key valuation signals for TSE:9788:
Cyclically Adjusted PB Ratio: 1.03 (near median its 10-year median of 1.11)
GF Value™: 円589.19 vs. price of 円525.00 (10.9% below fair value)
Industry Position: 9.6% below the Construction median (#619 of 1343)
No single metric tells the full story. See the TSE:9788 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Nac Co Ltd engages in the operation of housing maintenance and construction business in Japan. The company's operating division include Production and sales of home delivery water, Rental business, Construction consulting business, Housing business, and Beauty and health business.
74GF Score
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