National Aerospace Fasteners (TPE:3004) Change In Inventory: NT$-594 Mil (TTM As of Jun. 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.

TPE:3004 National Aerospace Fasteners Corp TPE:3004
83 GF Score
Price NT$121.00
GF Value NT$131.58
Valuation Fairly Valued
! 5 Warning Signs
View Full Analysis

What is National Aerospace Fasteners Change In Inventory?

National Aerospace Fasteners TPE:3004 -0.41% 83 Change In Inventory is NT$-594 Mil as of Jun. 2026. GuruFocus rates TPE:3004 with a GF Score™ of 83/100 and a GF Value™ of NT$131.58 (Fairly Valued). The stock has 5 warning signs investors should review.

National Aerospace Fasteners's change in inventory for the quarter that ended in Jun. 2026 was NT$-183 Mil. It means National Aerospace Fasteners's inventory increased by NT$183 Mil from Mar. 2026 to Jun. 2026 .

National Aerospace Fasteners's change in inventory for the fiscal year that ended in Dec. 2025 was NT$-722 Mil. It means National Aerospace Fasteners's inventory increased by NT$722 Mil from Dec. 2024 to Dec. 2025 .

National Aerospace Fasteners's Total Inventories for the quarter that ended in Jun. 2026 was NT$2,823 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. National Aerospace Fasteners's Days Inventory for the quarter that ended in Jun. 2026 was 234.18.

Inventory Turnover measures how fast the company turns over its inventory within a year. National Aerospace Fasteners's Inventory Turnover for the quarter that ended in Jun. 2026 was 0.39.

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. National Aerospace Fasteners's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 1.97.

National Aerospace Fasteners  (TPE:3004) Change In Inventory Explanation

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

National Aerospace Fasteners's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=2731.9/1064.49*365 / 4
=234.18

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

National Aerospace Fasteners's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

Inventory Turnover=Cost of Goods Sold / Average Total Inventories
=1064.49 / 2731.9
=0.39

3. 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.

National Aerospace Fasteners's Inventory to Revenue for the quarter that ended in Jun. 2026 is calculated as

Inventory-to-Revenue=Average Total Inventories / Revenue
=2731.9 / 1386.053
=1.97

* 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.

National Aerospace Fasteners Change In Inventory Related Terms

National Aerospace Fasteners Change In Inventory Historical Data

* Premium members only.

The historical data trend for National Aerospace Fasteners's Change In 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.

National Aerospace Fasteners Change In Inventory Chart

National Aerospace Fasteners Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only -78.55 -161.66 -416.22 -691.72 -722.23

National Aerospace Fasteners Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Change In 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 -266.82 -247.08 -106.53 -57.60 -182.53
TPE:3004
83GF Score
National Aerospace Fasteners Corp TPE:3004
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

National Aerospace Fasteners Change In Inventory Calculation

Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.

Change In Inventory for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$-594 Mil.

* 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 Change In Inventory →
What does a Change In Inventory of NT$-594 Mil mean?
National Aerospace Fasteners (TPE:3004) has a Change In Inventory of NT$-594 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for National Aerospace Fasteners and its competitors.
Is National Aerospace Fasteners' Change In Inventory too high?
National Aerospace Fasteners' current Change In Inventory is NT$-594 Mil. Overall, National Aerospace Fasteners has a GF Score™ of 83/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does National Aerospace Fasteners' Change In Inventory compare to SNA and RBC?
National Aerospace Fasteners' Change In Inventory of NT$-594 Mil can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for an Industrial Products company?
A good Change In Inventory depends on the Industrial Products industry context. However, Change In Inventory 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 Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for National Aerospace Fasteners and its competitors. National Aerospace Fasteners's current Change In Inventory is NT$-594 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is National Aerospace Fasteners stock overvalued right now?
Based on GuruFocus' analysis, National Aerospace Fasteners (TPE:3004) is currently considered Fairly Valued. The stock's GF Value™ is NT$131.58, compared to a current price of NT$121.00 — trading 8% below its estimated fair value. The current Change In Inventory is NT$-594 Mil. National Aerospace Fasteners' overall GF Score™ is 83/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For National Aerospace Fasteners (TPE:3004), the current Change In Inventory is NT$-594 Mil as of Jun. 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 National Aerospace Fasteners (TPE:3004) Overvalued in 2026?

Based on GuruFocus' analysis, National Aerospace Fasteners stock appears to be undervalued. The current stock price of NT$121.00 is trading 8% below its estimated GF Value™ of NT$131.58. GuruFocus considers National Aerospace Fasteners to be Fairly Valued.

Key valuation signals for TPE:3004:

  • Change In Inventory: NT$-594 Mil
  • GF Value™: NT$131.58 vs. price of NT$121.00 (8% below fair value)
  • GF Score™: 83/100 with 5 warning signs

No single metric tells the full story. See the TPE:3004 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

National Aerospace Fasteners Business Description

Address No. 1, Taiping East Road, Pingzhen District, Taoyuan, TWN, 324026
National Aerospace Fasteners Corp engages in the manufacture, processing, agency, trading of various types of fasteners and construction parts and related components of aircraft and automobiles. Aerospace and Industrial products are reportable segments of the company. Majority of the its revenue is being generated from Aerospace segment.
83GF Score

Get the complete analysis for TPE:3004

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

NT$121.00
Price
NT$131.58
GF Value