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.
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.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Aerospace Industrial Development'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.
Aerospace Industrial Development's Inventory-to-Revenue for the
three
months ended in Dec. 2025 was 1.38.
Aerospace Industrial Development (TPE:2634) 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.
Aerospace Industrial Development'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.
Aerospace Industrial Development'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.
Aerospace Industrial Development Days Inventory Related Terms
Aerospace Industrial Development Days Inventory Historical Data
* 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.
Aerospace Industrial Development Days Inventory Chart
TPE:2634 vs SPCX, GE, RTX: Days Inventory Comparison
For the Aerospace & Defense subindustry, Aerospace Industrial Development'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.
Aerospace Industrial Development Days Inventory vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Aerospace Industrial Development's Days Inventory distribution charts can be found below:
* The bar in red indicates where Aerospace Industrial Development's Days Inventory falls into.
* 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.
Aerospace Industrial Development (TPE:2634) has a Days Inventory of 137.99 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Aerospace Industrial Development and its competitors. This is 10% below median its historical median of 153.97. Over the past decade, Aerospace Industrial Development's Days Inventory has ranged from 100.90 to 204.57. According to the industry distribution chart, Aerospace Industrial Development ranks #193 out of 328 companies in the Aerospace & Defense industry, placing it in the top 58.8%.
Is Aerospace Industrial Development's Days Inventory too high?
Aerospace Industrial Development's current Days Inventory of 137.99 is 10% below median its 10-year median of 153.97. Over the past 10 years, this metric has ranged from a low of 100.90 to a high of 204.57. The Aerospace & Defense industry median Days Inventory is 139.17. Aerospace Industrial Development's value of 137.99 is 0.8% below this industry median. Based on the distribution chart, Aerospace Industrial Development ranks #193 out of 328 companies in the Aerospace & Defense industry, which is below the industry midpoint. Overall, Aerospace Industrial Development has a GF Score™ of 74/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Aerospace Industrial Development's Days Inventory compare to SPCX and GE?
According to the Aerospace & Defense industry distribution chart, Aerospace Industrial Development ranks #193 out of 328 companies for Days Inventory. This places Aerospace Industrial Development in the lower half of its industry. The industry median Days Inventory is 139.17. Aerospace Industrial Development's value of 137.99 is 0.8% below this benchmark. Historically, Aerospace Industrial Development's own Days Inventory has ranged from 100.90 to 204.57 over the past decade. While the company's 10-year median is 153.97 vs. the industry median of 139.17, Aerospace Industrial Development 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 an Aerospace & Defense company?
The median Days Inventory among Aerospace & Defense companies is 139.17, based on 328 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. Aerospace Industrial Development's current Days Inventory of 137.99 is 0.8% 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 Aerospace Industrial Development and its competitors. For the Aerospace & Defense industry, the median Days Inventory is 139.17 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aerospace Industrial Development's current Days Inventory is 137.99, which is 10% below median its own 10-year median of 153.97. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aerospace Industrial Development stock overvalued right now?
Based on GuruFocus' analysis, Aerospace Industrial Development (TPE:2634) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$49.24, compared to a current price of NT$61.90 — trading 25.7% above its estimated fair value. The current Days Inventory is 137.99, which is 10% below median its 10-year median of 153.97 and 0.8% below the Aerospace & Defense industry median of 139.17. Aerospace Industrial Development's overall GF Score™ is 74/100 with 13 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 Aerospace Industrial Development (TPE:2634), the current Days Inventory is 137.99 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 Aerospace Industrial Development (TPE:2634) Overvalued in 2026?
Based on GuruFocus' analysis, Aerospace Industrial Development stock appears to be overvalued.
The current stock price of NT$61.90 is trading 25.7% above its estimated GF Value™ of NT$49.24.
GuruFocus considers Aerospace Industrial Development to be Modestly Overvalued.
Key valuation signals for TPE:2634:
Days Inventory: 137.99 (10% below median its 10-year median of 153.97)
GF Value™: NT$49.24 vs. price of NT$61.90 (25.7% above fair value)
Industry Position: 0.8% below the Aerospace & Defense median (#193 of 328)
No single metric tells the full story. See the TPE:2634 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Aerospace Industrial Development Business Description
Aerospace Industrial Development Corp is involved in the manufacturing and development of aerospace and defense products. The company's main business categories are as follows: design, manufacture, assembly, testing and maintenance of aircraft, engines, avionics, and related components; consulting services and technology transfers of aerospace technology, logistical support and engineering technology management of large-scale projects; engineering and development of software and sales of aerospace products. Geographically, the company operates in Asia, Europe and American regions.
74GF Score
Get the complete analysis for TPE:2634
Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
TPE:2634 has been successfully added to your 
