Nac Co (TSE:9788) Days Inventory: 87.62 (As of Mar. 2026) — Near Median

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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
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What is Nac Co Days Inventory?

Nac Co TSE:9788 +0.57% 69 Days Inventory is 87.62 as of Mar. 2026, which is 7% above its 10-year median of 81.68. 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. Among 1,489 Construction companies, Nac Co ranks worse than 69.44% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Nac Co's Average Total Inventories for the three months ended in Mar. 2026 was 円9,101 Mil. Nac Co's Cost of Goods Sold for the three months ended in Mar. 2026 was 円9,477 Mil. Hence, Nac Co's Days Inventory for the three months ended in Mar. 2026 was 87.62.

The historical rank and industry rank for Nac Co's Days Inventory or its related term are showing as below:

TSE:9788' s Days Inventory Range Over the Past 10 Years
Min: 43.59   Med: 81.68   Max: 111.82
Current: 101.98

During the past 13 years, Nac Co's highest Days Inventory was 111.82. The lowest was 43.59. And the median was 81.68.

TSE:9788's Days Inventory is ranked worse than
69.44% of 1489 companies
in the Construction industry
Industry Median: 49.78 vs TSE:9788: 101.98

Nac Co's Days Inventory increased from Mar. 2025 (0.00) to Mar. 2026 (87.62). It might indicate that Nac Co's sales slowed down.

Warning Sign:

If a company builds up inventory, it may mean it is having difficulties selling its goods.

Inventory Turnover measures how fast the company turns over its inventory within a year. Nac Co's Inventory Turnover for the three months ended in Mar. 2026 was 1.04.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. Nac Co's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.55.


Nac Co  (TSE:9788) Days Inventory Explanation

Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:

1. Inventory Turnover measures how fast the company turns over its inventory within a year.

Nac Co's Inventory Turnover for the three months ended in Mar. 2026 is calculated as

2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

Nac Co's Inventory to Revenue for the three months ended in Mar. 2026 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.


Be Aware

A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.


Nac Co Days Inventory Related Terms


Nac Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Nac Co's Days Inventory 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 Days Inventory Chart

Nac Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 82.32 81.04 97.91 90.15 95.27

Nac Co Quarterly Data
Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Sep24 Mar25 Jun25 Sep25 Dec25 Mar26
Days Inventory 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 0.00 109.47 107.87 115.01 87.62

TSE:9788 vs PWR, FIX, EME: Days Inventory Comparison

For the Engineering & Construction subindustry, Nac Co's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Construction Industry

For the Construction industry and Industrials sector, Nac Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Nac Co's Days Inventory falls into.


TSE:9788
69GF Score
Nac Co Ltd TSE:9788
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Nac Co Days Inventory Calculation

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Nac Co's Days Inventory for the fiscal year that ended in Mar. 2026 is calculated as

Days Inventory (A: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Mar. 2025 ) + Total Inventories (A: Mar. 2026 )) / count ) / Cost of Goods Sold (A: Mar. 2026 )*Days in Period
=( (7535 + 8407) / 2 ) / 30539*365
=7971 / 30539*365
=95.27

Nac Co's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (9794 + 8407) / 2 ) / 9477*365 / 4
=9100.5 / 9477*365 / 4
=87.62

* 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.

Frequently Asked Questions Learn more about Days Inventory →
What does a Days Inventory of 87.62 mean?
Nac Co (TSE:9788) has a Days Inventory of 87.62 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Nac Co and its competitors. This is near median its historical median of 81.68. Over the past decade, Nac Co's Days Inventory has ranged from 43.59 to 111.82. According to the industry distribution chart, Nac Co ranks #1034 out of 1489 companies in the Construction industry, placing it in the top 69.4%.
Is Nac Co's Days Inventory too high?
Nac Co's current Days Inventory of 87.62 is near median its 10-year median of 81.68. Over the past 10 years, this metric has ranged from a low of 43.59 to a high of 111.82. The Construction industry median Days Inventory is 49.78. Nac Co's value of 87.62 is 76% above this industry median. Based on the distribution chart, Nac Co ranks #1034 out of 1489 companies in the Construction industry, which is below the industry midpoint. 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 Days Inventory compare to PWR and FIX?
According to the Construction industry distribution chart, Nac Co ranks #1034 out of 1489 companies for Days Inventory. This places Nac Co in the lower half of its industry. The industry median Days Inventory is 49.78. Nac Co's value of 87.62 is 76% above this benchmark. Historically, Nac Co's own Days Inventory has ranged from 43.59 to 111.82 over the past decade. While the company's 10-year median is 81.68 vs. the industry median of 49.78, Nac 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 Days Inventory for a Construction company?
The median Days Inventory among Construction companies is 49.78, based on 1,489 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Nac Co's current Days Inventory of 87.62 is 76% 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Nac Co and its competitors. For the Construction industry, the median Days Inventory is 49.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nac Co's current Days Inventory is 87.62, which is near median its own 10-year median of 81.68. 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 Days Inventory is 87.62, which is near median its 10-year median of 81.68 and 76% above the Construction industry median of 49.78. 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 Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Nac Co (TSE:9788), the current Days Inventory is 87.62 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:

  • Days Inventory: 87.62 (near median its 10-year median of 81.68)
  • GF Value™: 円588.40 vs. price of 円533.00 (9.4% below fair value)
  • GF Score™: 69/100 with 3 warning signs
  • Industry Position: 76% above the Construction median (#1034 of 1489)

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

Days Inventory 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