Tanabe Engineering (TSE:1828) Days Inventory: 3.06 (As of Mar. 2026) — 74% Below Median

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Director of Data and Quant Analytics at GuruFocus
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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:1828 Tanabe Engineering Corp TSE:1828
70 GF Score
Price 円2,351.00
GF Value 円1,834.10
Valuation Modestly Overvalued
! 1 Warning Sign
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What is Tanabe Engineering Days Inventory?

Tanabe Engineering TSE:1828 -0.55% 70 Days Inventory is 3.06 as of Mar. 2026, which is 74% below its 10-year median of 11.96. GuruFocus rates TSE:1828 with a GF Score™ of 70/100 and a GF Value™ of 円1,834.10 (Modestly Overvalued). The stock has 1 warning sign investors should review. Among 1,489 Construction companies, Tanabe Engineering ranks better than 89.32% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Tanabe Engineering's Average Total Inventories for the six months ended in Mar. 2026 was 円368 Mil. Tanabe Engineering's Cost of Goods Sold for the six months ended in Mar. 2026 was 円21,899 Mil. Hence, Tanabe Engineering's Days Inventory for the six months ended in Mar. 2026 was 3.06.

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

TSE:1828' s Days Inventory Range Over the Past 10 Years
Min: 3.02   Med: 11.96   Max: 21.13
Current: 3.1

During the past 13 years, Tanabe Engineering's highest Days Inventory was 21.13. The lowest was 3.02. And the median was 11.96.

TSE:1828's Days Inventory is ranked better than
89.32% of 1489 companies
in the Construction industry
Industry Median: 49.78 vs TSE:1828: 3.10

Tanabe Engineering's Days Inventory increased from Mar. 2025 (2.98) to Mar. 2026 (3.06). It might indicate that Tanabe Engineering's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Tanabe Engineering's Inventory Turnover for the six months ended in Mar. 2026 was 59.58.

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. Tanabe Engineering's Inventory-to-Revenue for the six months ended in Mar. 2026 was 0.01.


Tanabe Engineering  (TSE:1828) 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.

Tanabe Engineering's Inventory Turnover for the six 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.

Tanabe Engineering's Inventory to Revenue for the six 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.


Tanabe Engineering Days Inventory Related Terms


Tanabe Engineering Days Inventory Historical Data

* Premium members only.

The historical data trend for Tanabe Engineering'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.

Tanabe Engineering Days Inventory Chart

Tanabe Engineering 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 14.36 5.17 3.32 3.08 3.02

Tanabe Engineering Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 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 3.07 3.17 2.98 3.23 3.06

TSE:1828 vs PWR, FIX, EME: Days Inventory Comparison

For the Engineering & Construction subindustry, Tanabe Engineering'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.


Tanabe Engineering Days Inventory vs Construction Industry

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

* The bar in red indicates where Tanabe Engineering's Days Inventory falls into.


TSE:1828
70GF Score
Tanabe Engineering Corp TSE:1828
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tanabe Engineering Days Inventory Calculation

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

Tanabe Engineering'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
=( (340.578 + 356.907) / 2 ) / 42188.719*365
=348.7425 / 42188.719*365
=3.02

Tanabe Engineering'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: Sep. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (378.235 + 356.907) / 2 ) / 21898.864*365 / 2
=367.571 / 21898.864*365 / 2
=3.06

* 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 3.06 mean?
Tanabe Engineering (TSE:1828) has a Days Inventory of 3.06 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Tanabe Engineering and its competitors. This is 74% below median its historical median of 11.96. Over the past decade, Tanabe Engineering's Days Inventory has ranged from 3.02 to 21.13. According to the industry distribution chart, Tanabe Engineering ranks #159 out of 1489 companies in the Construction industry, placing it in the top 10.7%.
Is Tanabe Engineering's Days Inventory too high?
Tanabe Engineering's current Days Inventory of 3.06 is 74% below median its 10-year median of 11.96. Over the past 10 years, this metric has ranged from a low of 3.02 to a high of 21.13. The Construction industry median Days Inventory is 49.78. Tanabe Engineering's value of 3.06 is 93.9% below this industry median. Based on the distribution chart, Tanabe Engineering ranks #159 out of 1489 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, Tanabe Engineering has a GF Score™ of 70/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tanabe Engineering's Days Inventory compare to PWR and FIX?
According to the Construction industry distribution chart, Tanabe Engineering ranks #159 out of 1489 companies for Days Inventory. This places Tanabe Engineering in the top 11% of its industry — outperforming the majority of peers. The industry median Days Inventory is 49.78. Tanabe Engineering's value of 3.06 is 93.9% below this benchmark. Historically, Tanabe Engineering's own Days Inventory has ranged from 3.02 to 21.13 over the past decade. While the company's 10-year median is 11.96 vs. the industry median of 49.78, Tanabe Engineering 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 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. Tanabe Engineering's current Days Inventory of 3.06 is 93.9% 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 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 Tanabe Engineering 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. Tanabe Engineering's current Days Inventory is 3.06, which is 74% below median its own 10-year median of 11.96. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tanabe Engineering stock overvalued right now?
Based on GuruFocus' analysis, Tanabe Engineering (TSE:1828) is currently considered Modestly Overvalued. The stock's GF Value™ is 円1,834.10, compared to a current price of 円2,351.00 — trading 28.2% above its estimated fair value. The current Days Inventory is 3.06, which is 74% below median its 10-year median of 11.96 and 93.9% below the Construction industry median of 49.78. Tanabe Engineering's overall GF Score™ is 70/100 with 1 warning sign 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 Tanabe Engineering (TSE:1828), the current Days Inventory is 3.06 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 Tanabe Engineering (TSE:1828) Overvalued in 2026?

Based on GuruFocus' analysis, Tanabe Engineering stock appears to be overvalued. The current stock price of 円2,351.00 is trading 28.2% above its estimated GF Value™ of 円1,834.10. GuruFocus considers Tanabe Engineering to be Modestly Overvalued.

Key valuation signals for TSE:1828:

  • Days Inventory: 3.06 (74% below median its 10-year median of 11.96)
  • GF Value™: 円1,834.10 vs. price of 円2,351.00 (28.2% above fair value)
  • GF Score™: 70/100 with 1 warning sign
  • Industry Position: 93.9% below the Construction median (#159 of 1489)

No single metric tells the full story. See the TSE:1828 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tanabe Engineering Business Description

Address 20, Fukuda, Zyouetsu, JPN, 942-0032
Tanabe Engineering Corp is mainly engaged in the facility construction works. It constructs plant facilities for electronic materials, food and drug metals and constructs public environmental facilities.
70GF Score

Get the complete analysis for TSE:1828

Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

円2,351.00
Price
円1,834.10
GF Value