Nac Co (TSE:9788) Effective Interest Rate on Debt %: 1.35% (As of Mar. 2026)

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TSE:9788 Nac Co Ltd TSE:9788
73 GF Score
Price 円522.00
GF Value 円589.07
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Nac Co Effective Interest Rate on Debt %?

Nac Co TSE:9788 -0.57% 73 Effective Interest Rate on Debt % is 1.35% as of Mar. 2026. GuruFocus rates TSE:9788 with a GF Score™ of 73/100 and a GF Value™ of 円589.07 (Modestly Undervalued). The stock has 3 warning signs investors should review.

Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. Nac Co's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was 円96 Mil. Nac Co's average total debt for the quarter that ended in Mar. 2026 was 円7,103 Mil. Therefore, Nac Co's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 1.35%.


Nac Co  (TSE:9788) Effective Interest Rate on Debt % Explanation

Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.


Nac Co Effective Interest Rate on Debt % Related Terms


Nac Co Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Nac Co's Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % Chart

Nac Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.63 0.63 0.60 0.92 1.12

Nac Co Quarterly Data
Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Sep24 Mar25 Jun25 Sep25 Dec25 Mar26
Effective Interest Rate on Debt % 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 1.01 1.00 1.28 1.35

TSE:9788 vs PWR, FIX, EME: Effective Interest Rate on Debt % Comparison

For the Engineering & Construction subindustry, Nac Co's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % vs Construction Industry

For the Construction industry and Industrials sector, Nac Co's Effective Interest Rate on Debt % distribution charts can be found below:

* The bar in red indicates where Nac Co's Effective Interest Rate on Debt % falls into.


TSE:9788
73GF Score
Nac Co Ltd TSE:9788
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Nac Co Effective Interest Rate on Debt % Calculation

Nac Co's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Mar. 2026 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Mar. 2025 )+Total Debt  (A: Mar. 2026 ))/ count )
=-1  *  -81/( (7220+7181)/ 2 )
=-1  *  -81/7200.5
=1.12 %

where

Nac Co's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Dec. 2025 )+Total Debt  (Q: Mar. 2026 ))/ count )
=-1  *  -96/( (7025+7181)/ 2 )
=-1  *  -96/7103
=1.35 %

where

* 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.

In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data, the Interest Expense data used here is four times the quarterly (Mar. 2026) interest expense data. Effective Interest Rate on Debt % is displayed in the 30-year financial page.

What does a Effective Interest Rate on Debt % of 1.35% mean?
Nac Co (TSE:9788) has a Effective Interest Rate on Debt % of 1.35% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Nac Co and its competitors.
Is Nac Co's Effective Interest Rate on Debt % too high?
Nac Co's current Effective Interest Rate on Debt % is 1.35%. Overall, Nac Co has a GF Score™ of 73/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Nac Co's Effective Interest Rate on Debt % compare to PWR and FIX?
Nac Co's Effective Interest Rate on Debt % of 1.35% 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 Effective Interest Rate on Debt % for a Construction company?
A good Effective Interest Rate on Debt % depends on the Construction industry context. However, Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Nac Co and its competitors. Nac Co's current Effective Interest Rate on Debt % is 1.35%. 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589.07, compared to a current price of 円522.00 — trading 11.4% below its estimated fair value. The current Effective Interest Rate on Debt % is 1.35%. Nac Co's overall GF Score™ is 73/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For Nac Co (TSE:9788), the current Effective Interest Rate on Debt % is 1.35% 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522.00 is trading 11.4% below its estimated GF Value™ of 円589.07. GuruFocus considers Nac Co to be Modestly Undervalued.

Key valuation signals for TSE:9788:

  • Effective Interest Rate on Debt %: 1.35%
  • GF Value™: 円589.07 vs. price of 円522.00 (11.4% below fair value)
  • GF Score™: 73/100 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.
73GF Score

Get the complete analysis for TSE:9788

Effective Interest Rate on Debt % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

円522.00
Price
円589.07
GF Value