Test ResearchTPE:3030 -1.81%92 Days Inventory is 204.66 as of Dec. 2025, which is 25% above its 10-year median of 163.29. GuruFocus rates TPE:3030 with a GF Score™ of 92/100 and a GF Value™ of NT$176.60 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 2,413 Hardware companies, Test Research ranks worse than 78.62% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Test Research's Average Total Inventories for the
three
months ended in Dec. 2025 was NT$1,838 Mil. Test Research's Cost of Goods Sold for the
three
months ended in Dec. 2025 was NT$819 Mil.
Hence, Test Research's Days Inventory for the
three
months ended in Dec. 2025 was 204.66.
The historical rank and industry rank for Test Research's Days Inventory or its related term are showing as below:
TPE:3030'
s Days Inventory Range Over the Past 10 Years
Min: 136.6 Med: 163.29 Max: 275.82
Current: 169.92
During the past 13 years, Test Research's highest Days Inventory was 275.82. The lowest was 136.60. And the median was 163.29.
TPE:3030's Days Inventory is ranked worse than 78.62% of 2413
companies
in the Hardware industry
Industry Median: 94.24
vs TPE:3030: 169.92
Test Research's Days Inventory
declined
from Dec. 2024 (223.27) to Dec. 2025 (204.66).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Test Research's Inventory Turnover for the
three
months ended in Dec. 2025 was 0.45.
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.
Test Research's Inventory-to-Revenue for the
three
months ended in Dec. 2025 was 0.88.
Test Research (TPE:3030) 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.
Test Research'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.
Test Research'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.
Test Research Days Inventory Related Terms
Test Research Days Inventory Historical Data
* Premium members only.
The historical data trend for Test Research'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.
TPE:3030 vs COHR, KEYS, GRMN: Days Inventory Comparison
For the Scientific & Technical Instruments subindustry, Test Research'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.
Test Research Days Inventory vs Hardware Industry
For the Hardware industry and Technology sector, Test Research's Days Inventory distribution charts can be found below:
* The bar in red indicates where Test Research'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.
Test Research (TPE:3030) has a Days Inventory of 204.66 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Test Research and its competitors. This is 25% above median its historical median of 163.29. Over the past decade, Test Research's Days Inventory has ranged from 136.60 to 275.82. According to the industry distribution chart, Test Research ranks #1897 out of 2413 companies in the Hardware industry, placing it in the top 78.6%.
Is Test Research's Days Inventory too high?
Test Research's current Days Inventory of 204.66 is 25% above median its 10-year median of 163.29. Over the past 10 years, this metric has ranged from a low of 136.60 to a high of 275.82. The Hardware industry median Days Inventory is 94.24. Test Research's value of 204.66 is 117.2% above this industry median. Based on the distribution chart, Test Research ranks #1897 out of 2413 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Test Research has a GF Score™ of 92/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Test Research's Days Inventory compare to COHR and KEYS?
According to the Hardware industry distribution chart, Test Research ranks #1897 out of 2413 companies for Days Inventory. This places Test Research in the lower half of its industry. The industry median Days Inventory is 94.24. Test Research's value of 204.66 is 117.2% above this benchmark. Historically, Test Research's own Days Inventory has ranged from 136.60 to 275.82 over the past decade. While the company's 10-year median is 163.29 vs. the industry median of 94.24, Test Research 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 Hardware company?
The median Days Inventory among Hardware companies is 94.24, based on 2,413 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. Test Research's current Days Inventory of 204.66 is 117.2% 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 Test Research and its competitors. For the Hardware industry, the median Days Inventory is 94.24 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Test Research's current Days Inventory is 204.66, which is 25% above median its own 10-year median of 163.29. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Test Research stock overvalued right now?
Based on GuruFocus' analysis, Test Research (TPE:3030) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$176.60, compared to a current price of NT$299.00 — trading 69.3% above its estimated fair value. The current Days Inventory is 204.66, which is 25% above median its 10-year median of 163.29 and 117.2% above the Hardware industry median of 94.24. Test Research's overall GF Score™ is 92/100 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 Test Research (TPE:3030), the current Days Inventory is 204.66 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 Test Research (TPE:3030) Overvalued in 2026?
Based on GuruFocus' analysis, Test Research stock appears to be overvalued.
The current stock price of NT$299.00 is trading 69.3% above its estimated GF Value™ of NT$176.60.
GuruFocus considers Test Research to be Significantly Overvalued.
Key valuation signals for TPE:3030:
Days Inventory: 204.66 (25% above median its 10-year median of 163.29)
GF Value™: NT$176.60 vs. price of NT$299.00 (69.3% above fair value)
Industry Position: 117.2% above the Hardware median (#1897 of 2413)
No single metric tells the full story. See the TPE:3030 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Test Research Inc designs testing equipment for industrial applications. The firm focuses on designing, assembling, manufacturing, selling, repairing, and maintaining automated inspection and testing equipment. The firm receives a majority of its revenue from Asia and the rest from America, Europe, and other regions.
92GF Score
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