WellellTPE:4106 87 Days Inventory is 119.74 as of Dec. 2025, which is 4% above its 10-year median of 115.53. GuruFocus rates TPE:4106 with a GF Score™ of 87/100 and a GF Value™ of NT$24.28 (Fairly Valued). The stock has 1 warning sign investors should review. Among 788 Medical Devices & Instruments companies, Wellell ranks better than 69.67% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Wellell's Average Total Inventories for the
three
months ended in Dec. 2025 was NT$451 Mil. Wellell's Cost of Goods Sold for the
three
months ended in Dec. 2025 was NT$344 Mil.
Hence, Wellell's Days Inventory for the
three
months ended in Dec. 2025 was 119.74.
The historical rank and industry rank for Wellell's Days Inventory or its related term are showing as below:
TPE:4106'
s Days Inventory Range Over the Past 10 Years
Min: 102.74 Med: 115.53 Max: 128.02
Current: 128.02
During the past 13 years, Wellell's highest Days Inventory was 128.02. The lowest was 102.74. And the median was 115.53.
TPE:4106's Days Inventory is ranked better than 69.67% of 788
companies
in the Medical Devices & Instruments industry
Industry Median: 179.115
vs TPE:4106: 128.02
Wellell's Days Inventory
increased
from Dec. 2024 (118.81) to Dec. 2025 (119.74).
It might indicate that Wellell's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Wellell's Inventory Turnover for the
three
months ended in Dec. 2025 was 0.76.
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.
Wellell's Inventory-to-Revenue for the
three
months ended in Dec. 2025 was 0.72.
Wellell (TPE:4106) 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.
Wellell'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.
Wellell'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.
Wellell Days Inventory Related Terms
Wellell Days Inventory Historical Data
* Premium members only.
The historical data trend for Wellell'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:4106 vs ABT, SYK, MDT: Days Inventory Comparison
For the Medical Devices subindustry, Wellell'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.
Wellell Days Inventory vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Wellell's Days Inventory distribution charts can be found below:
* The bar in red indicates where Wellell'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.
Wellell (TPE:4106) has a Days Inventory of 119.74 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Wellell and its competitors. This is near median its historical median of 115.53. Over the past decade, Wellell's Days Inventory has ranged from 102.74 to 128.02. According to the industry distribution chart, Wellell ranks #239 out of 788 companies in the Medical Devices & Instruments industry, placing it in the top 30.3%.
Is Wellell's Days Inventory too high?
Wellell's current Days Inventory of 119.74 is near median its 10-year median of 115.53. Over the past 10 years, this metric has ranged from a low of 102.74 to a high of 128.02. The Medical Devices & Instruments industry median Days Inventory is 179.12. Wellell's value of 119.74 is 33.1% below this industry median. Based on the distribution chart, Wellell ranks #239 out of 788 companies in the Medical Devices & Instruments industry, which is above the industry midpoint. Overall, Wellell has a GF Score™ of 87/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Wellell's Days Inventory compare to ABT and SYK?
According to the Medical Devices & Instruments industry distribution chart, Wellell ranks #239 out of 788 companies for Days Inventory. This puts Wellell in the upper half of its industry. The industry median Days Inventory is 179.12. Wellell's value of 119.74 is 33.1% below this benchmark. Historically, Wellell's own Days Inventory has ranged from 102.74 to 128.02 over the past decade. While the company's 10-year median is 115.53 vs. the industry median of 179.12, Wellell 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 Medical Devices & Instruments company?
The median Days Inventory among Medical Devices & Instruments companies is 179.12, based on 788 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. Wellell's current Days Inventory of 119.74 is 33.1% 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 Wellell and its competitors. For the Medical Devices & Instruments industry, the median Days Inventory is 179.12 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Wellell's current Days Inventory is 119.74, which is near median its own 10-year median of 115.53. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Wellell stock overvalued right now?
Based on GuruFocus' analysis, Wellell (TPE:4106) is currently considered Fairly Valued. The stock's GF Value™ is NT$24.28, compared to a current price of NT$23.55 — trading 3% below its estimated fair value. The current Days Inventory is 119.74, which is near median its 10-year median of 115.53 and 33.1% below the Medical Devices & Instruments industry median of 179.12. Wellell's overall GF Score™ is 87/100 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 Wellell (TPE:4106), the current Days Inventory is 119.74 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 Wellell (TPE:4106) Overvalued in 2026?
Based on GuruFocus' analysis, Wellell stock appears to be undervalued.
The current stock price of NT$23.55 is trading 3% below its estimated GF Value™ of NT$24.28.
GuruFocus considers Wellell to be Fairly Valued.
Key valuation signals for TPE:4106:
Days Inventory: 119.74 (near median its 10-year median of 115.53)
GF Value™: NT$24.28 vs. price of NT$23.55 (3% below fair value)
Industry Position: 33.1% below the Medical Devices & Instruments median (#239 of 788)
No single metric tells the full story. See the TPE:4106 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Wellell Inc engages in the manufacturing and sale of medical supplies, import and export, as well as agency services. The company provides medical solutions for post-acute care and acute care. Its products include pressure area care, support surfaces, respiratory therapy, compression therapy, and digital health. Geographically, the company operates in Europe, America, and Asia, and the majority of its revenue is generated from Europe.
87GF Score
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