Nac Co (TSE:9788) ROE % Adjusted to Book Value: 15.22% (As of Mar. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

TSE:9788 Nac Co Ltd TSE:9788
69 GF Score
Price 円533.00
GF Value 円588.40
Valuation Fairly Valued
! 3 Warning Signs
View Full Analysis

What is Nac Co ROE % Adjusted to Book Value?

Nac Co TSE:9788 +0.57% 69 ROE % Adjusted to Book Value is 15.22% as of Mar. 2026. GuruFocus rates TSE:9788 with a GF Score™ of 69/100 and a GF Value™ of 円588.40 (Fairly Valued). The stock has 3 warning signs investors should review.

Nac Co's ROE % for the quarter that ended in Mar. 2026 was 14.31%. Nac Co's PB Ratio for the quarter that ended in Mar. 2026 was 0.94. Nac Co's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 was 15.22%.


Nac Co ROE % Adjusted to Book Value Related Terms


Nac Co ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Nac Co's ROE % Adjusted to Book Value 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.

Nac Co ROE % Adjusted to Book Value Chart

Nac Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only 8.12 9.62 6.13 5.45 7.63

Nac Co Quarterly Data
Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Sep24 Mar25 Jun25 Sep25 Dec25 Mar26
ROE % Adjusted to Book Value Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 -0.42 5.38 9.39 15.22

TSE:9788 vs PWR, FIX, EME: ROE % Adjusted to Book Value Comparison

For the Engineering & Construction subindustry, Nac Co's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value 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 ROE % Adjusted to Book Value vs Construction Industry

For the Construction industry and Industrials sector, Nac Co's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Nac Co's ROE % Adjusted to Book Value falls into.


TSE:9788
69GF Score
Nac Co Ltd TSE:9788
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Nac Co ROE % Adjusted to Book Value Calculation

Nac Co's ROE % Adjusted to Book Value for the fiscal year that ended in Mar. 2026 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=7.17% / 0.94
=7.63%

Nac Co's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=14.31% / 0.94
=15.22%

* 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.

What does a ROE % Adjusted to Book Value of 15.22% mean?
Nac Co (TSE:9788) has a ROE % Adjusted to Book Value of 15.22% as of Mar. 2026. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Nac Co and its competitors.
Is Nac Co's ROE % Adjusted to Book Value too high?
Nac Co's current ROE % Adjusted to Book Value is 15.22%. Overall, Nac Co has a GF Score™ of 69/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Nac Co's ROE % Adjusted to Book Value compare to PWR and FIX?
Nac Co's ROE % Adjusted to Book Value of 15.22% can be compared against companies in the Construction industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for a Construction company?
A good ROE % Adjusted to Book Value depends on the Construction industry context. However, ROE % Adjusted to Book Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Nac Co and its competitors. Nac Co's current ROE % Adjusted to Book Value is 15.22%. 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 Fairly Valued. The stock's GF Value™ is 円588.40, compared to a current price of 円533.00 — trading 9.4% below its estimated fair value. The current ROE % Adjusted to Book Value is 15.22%. Nac Co's overall GF Score™ is 69/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Nac Co (TSE:9788), the current ROE % Adjusted to Book Value is 15.22% 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 Nac Co (TSE:9788) Overvalued in 2026?

Based on GuruFocus' analysis, Nac Co stock appears to be undervalued. The current stock price of 円533.00 is trading 9.4% below its estimated GF Value™ of 円588.40. GuruFocus considers Nac Co to be Fairly Valued.

Key valuation signals for TSE:9788:

  • ROE % Adjusted to Book Value: 15.22%
  • GF Value™: 円588.40 vs. price of 円533.00 (9.4% below fair value)
  • GF Score™: 69/100 with 3 warning signs

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 Business Description

Address 1-25-1 Nishi Shinjuku, Shinjuku Center Building 42, Shinjuku-ku, Tokyo, JPN, 163-0675
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.
69GF Score

Get the complete analysis for TSE:9788

ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

円533.00
Price
円588.40
GF Value