Nak Sealing Technologies (TPE:9942) Days Inventory: 138.75 (As of Dec. 2025) — Near Median


TPE:9942 Nak Sealing Technologies Corp TPE:9942
89 GF Score
Price NT$120.00
GF Value NT$111.75
Valuation Fairly Valued
! 3 Warning Signs
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What is Nak Sealing Technologies Days Inventory?

Nak Sealing Technologies TPE:9942 89 Days Inventory is 138.75 as of Dec. 2025, which is 7% below its 10-year median of 149.19. GuruFocus rates TPE:9942 with a GF Score™ of 89/100 and a GF Value™ of NT$111.75 (Fairly Valued). The stock has 3 warning signs investors should review. Among 1,291 Vehicles & Parts companies, Nak Sealing Technologies ranks worse than 82.65% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Nak Sealing Technologies's Average Total Inventories for the three months ended in Dec. 2025 was NT$938 Mil. Nak Sealing Technologies's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$617 Mil. Hence, Nak Sealing Technologies's Days Inventory for the three months ended in Dec. 2025 was 138.75.

The historical rank and industry rank for Nak Sealing Technologies's Days Inventory or its related term are showing as below:

TPE:9942' s Days Inventory Range Over the Past 10 Years
Min: 132.18   Med: 149.19   Max: 157.41
Current: 141.07

During the past 13 years, Nak Sealing Technologies's highest Days Inventory was 157.41. The lowest was 132.18. And the median was 149.19.

TPE:9942's Days Inventory is ranked worse than
82.65% of 1291 companies
in the Vehicles & Parts industry
Industry Median: 80.26 vs TPE:9942: 141.07

Nak Sealing Technologies's Days Inventory declined from Dec. 2024 (148.21) to Dec. 2025 (138.75).

Inventory Turnover measures how fast the company turns over its inventory within a year. Nak Sealing Technologies's Inventory Turnover for the three months ended in Dec. 2025 was 0.66.

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. Nak Sealing Technologies's Inventory-to-Revenue for the three months ended in Dec. 2025 was 0.93.


Nak Sealing Technologies  (TPE:9942) 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.

Nak Sealing Technologies's Inventory Turnover for the three months ended in Dec. 2025 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.

Nak Sealing Technologies's Inventory to Revenue for the three months ended in Dec. 2025 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.


Nak Sealing Technologies Days Inventory Related Terms


Nak Sealing Technologies Days Inventory Historical Data

* Premium members only.

The historical data trend for Nak Sealing Technologies'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.

Nak Sealing Technologies Days Inventory Chart

Nak Sealing Technologies Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 132.18 150.07 148.31 156.88 144.06

Nak Sealing Technologies Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
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 148.21 150.24 134.58 138.32 138.75

TPE:9942 vs ORLY, AZO: Days Inventory Comparison

For the Auto Parts subindustry, Nak Sealing Technologies'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.


Nak Sealing Technologies Days Inventory vs Vehicles & Parts Industry

For the Vehicles & Parts industry and Consumer Cyclical sector, Nak Sealing Technologies's Days Inventory distribution charts can be found below:

* The bar in red indicates where Nak Sealing Technologies's Days Inventory falls into.


TPE:9942
89GF Score
Nak Sealing Technologies Corp TPE:9942
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Nak Sealing Technologies Days Inventory Calculation

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

Nak Sealing Technologies's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (971.916 + 948.353) / 2 ) / 2432.676*365
=960.1345 / 2432.676*365
=144.06

Nak Sealing Technologies's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Sep. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (927.522 + 948.353) / 2 ) / 616.832*365 / 4
=937.9375 / 616.832*365 / 4
=138.75

* 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 138.75 mean?
Nak Sealing Technologies (TPE:9942) has a Days Inventory of 138.75 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Nak Sealing Technologies and its competitors. This is near median its historical median of 149.19. Over the past decade, Nak Sealing Technologies' Days Inventory has ranged from 132.18 to 157.41. According to the industry distribution chart, Nak Sealing Technologies ranks #1067 out of 1291 companies in the Vehicles & Parts industry, placing it in the top 82.6%.
Is Nak Sealing Technologies' Days Inventory too high?
Nak Sealing Technologies' current Days Inventory of 138.75 is near median its 10-year median of 149.19. Over the past 10 years, this metric has ranged from a low of 132.18 to a high of 157.41. The Vehicles & Parts industry median Days Inventory is 80.26. Nak Sealing Technologies' value of 138.75 is 72.9% above this industry median. Based on the distribution chart, Nak Sealing Technologies ranks #1067 out of 1291 companies in the Vehicles & Parts industry, which is in the bottom quartile relative to peers. Overall, Nak Sealing Technologies has a GF Score™ of 89/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Nak Sealing Technologies' Days Inventory compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Nak Sealing Technologies ranks #1067 out of 1291 companies for Days Inventory. This places Nak Sealing Technologies in the lower half of its industry. The industry median Days Inventory is 80.26. Nak Sealing Technologies' value of 138.75 is 72.9% above this benchmark. Historically, Nak Sealing Technologies' own Days Inventory has ranged from 132.18 to 157.41 over the past decade. While the company's 10-year median is 149.19 vs. the industry median of 80.26, Nak Sealing Technologies 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 Vehicles & Parts company?
The median Days Inventory among Vehicles & Parts companies is 80.26, based on 1,291 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. Nak Sealing Technologies's current Days Inventory of 138.75 is 72.9% 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 Nak Sealing Technologies and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.26 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nak Sealing Technologies's current Days Inventory is 138.75, which is near median its own 10-year median of 149.19. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Nak Sealing Technologies stock overvalued right now?
Based on GuruFocus' analysis, Nak Sealing Technologies (TPE:9942) is currently considered Fairly Valued. The stock's GF Value™ is NT$111.75, compared to a current price of NT$120.00 — trading 7.4% above its estimated fair value. The current Days Inventory is 138.75, which is near median its 10-year median of 149.19 and 72.9% above the Vehicles & Parts industry median of 80.26. Nak Sealing Technologies' overall GF Score™ is 89/100 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 Nak Sealing Technologies (TPE:9942), the current Days Inventory is 138.75 as of Dec. 2025. 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 Nak Sealing Technologies (TPE:9942) Overvalued in 2026?

Based on GuruFocus' analysis, Nak Sealing Technologies stock appears to be overvalued. The current stock price of NT$120.00 is trading 7.4% above its estimated GF Value™ of NT$111.75. GuruFocus considers Nak Sealing Technologies to be Fairly Valued.

Key valuation signals for TPE:9942:

  • Days Inventory: 138.75 (near median its 10-year median of 149.19)
  • GF Value™: NT$111.75 vs. price of NT$120.00 (7.4% above fair value)
  • GF Score™: 89/100 with 3 warning signs
  • Industry Position: 72.9% above the Vehicles & Parts median (#1067 of 1291)

No single metric tells the full story. See the TPE:9942 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Nak Sealing Technologies Business Description

Address No 336, Gongye Road, Yongfeng Vil, Nantou County, Nantou, TWN, 540406
Nak Sealing Technologies Corp is mainly engaged in the processing and manufacturing of each kind of oil seal, manufacturing rubber machinery and metal modules, and import and export businesses. Its product offerings include axle seals, transmission seals, motor seals, power steering seals, wind turbine seals, gearbox seals, rubber rings, rubber molded parts, etc. The company's reportable segments are: Taiwan, which generates the maximum revenue, China, and all others. Geographically, it derives maximum revenue from Asia, followed by Europe, America, and Africa.
89GF Score

Get the complete analysis for TPE:9942

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

NT$120.00
Price
NT$111.75
GF Value