Tontek Design Technology Co (ROCO:5487) Days Inventory: 129.07 (As of Dec. 2025) — 10% Above Median

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ROCO:5487 Tontek Design Technology Co Ltd ROCO:5487
66 GF Score
Price NT$27.65
GF Value NT$25.93
Valuation Fairly Valued
! 2 Warning Signs
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What is Tontek Design Technology Co Days Inventory?

Tontek Design Technology Co ROCO:5487 -3.49% 66 Days Inventory is 129.07 as of Dec. 2025, which is 10% above its 10-year median of 117.41. GuruFocus rates ROCO:5487 with a GF Score™ of 66/100 and a GF Value™ of NT$25.93 (Fairly Valued). The stock has 2 warning signs investors should review. Among 2,418 Hardware companies, Tontek Design Technology Co ranks worse than 74.61% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Tontek Design Technology Co's Average Total Inventories for the three months ended in Dec. 2025 was NT$37.8 Mil. Tontek Design Technology Co's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$26.7 Mil. Hence, Tontek Design Technology Co's Days Inventory for the three months ended in Dec. 2025 was 129.07.

The historical rank and industry rank for Tontek Design Technology Co's Days Inventory or its related term are showing as below:

ROCO:5487' s Days Inventory Range Over the Past 10 Years
Min: 83.61   Med: 117.41   Max: 206.75
Current: 154.27

During the past 13 years, Tontek Design Technology Co's highest Days Inventory was 206.75. The lowest was 83.61. And the median was 117.41.

ROCO:5487's Days Inventory is ranked worse than
74.61% of 2418 companies
in the Hardware industry
Industry Median: 94.18 vs ROCO:5487: 154.27

Tontek Design Technology Co's Days Inventory declined from Dec. 2024 (164.52) to Dec. 2025 (129.07).

Inventory Turnover measures how fast the company turns over its inventory within a year. Tontek Design Technology Co's Inventory Turnover for the three months ended in Dec. 2025 was 0.71.

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. Tontek Design Technology Co's Inventory-to-Revenue for the three months ended in Dec. 2025 was 0.96.


Tontek Design Technology Co  (ROCO:5487) 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.

Tontek Design Technology Co'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.

Tontek Design Technology Co'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.


Tontek Design Technology Co Days Inventory Related Terms


Tontek Design Technology Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Tontek Design Technology Co'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.

Tontek Design Technology Co Days Inventory Chart

Tontek Design Technology Co 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 103.85 153.73 206.75 164.29 162.46

Tontek Design Technology Co 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 164.52 179.84 153.63 143.43 129.07

ROCO:5487 vs APH, GLW: Days Inventory Comparison

For the Electronic Components subindustry, Tontek Design Technology Co'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.


Tontek Design Technology Co Days Inventory vs Hardware Industry

For the Hardware industry and Technology sector, Tontek Design Technology Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Tontek Design Technology Co's Days Inventory falls into.


ROCO:5487
66GF Score
Tontek Design Technology Co Ltd ROCO:5487
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Tontek Design Technology Co Days Inventory Calculation

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

Tontek Design Technology Co'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
=( (60.179 + 37.746) / 2 ) / 110.005*365
=48.9625 / 110.005*365
=162.46

Tontek Design Technology Co'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
=( (37.795 + 37.746) / 2 ) / 26.703*365 / 4
=37.7705 / 26.703*365 / 4
=129.07

* 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 129.07 mean?
Tontek Design Technology Co (ROCO:5487) has a Days Inventory of 129.07 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Tontek Design Technology Co and its competitors. This is 10% above median its historical median of 117.41. Over the past decade, Tontek Design Technology Co's Days Inventory has ranged from 83.61 to 206.75. According to the industry distribution chart, Tontek Design Technology Co ranks #1804 out of 2418 companies in the Hardware industry, placing it in the top 74.6%.
Is Tontek Design Technology Co's Days Inventory too high?
Tontek Design Technology Co's current Days Inventory of 129.07 is 10% above median its 10-year median of 117.41. Over the past 10 years, this metric has ranged from a low of 83.61 to a high of 206.75. The Hardware industry median Days Inventory is 94.18. Tontek Design Technology Co's value of 129.07 is 37% above this industry median. Based on the distribution chart, Tontek Design Technology Co ranks #1804 out of 2418 companies in the Hardware industry, which is below the industry midpoint. Overall, Tontek Design Technology Co has a GF Score™ of 66/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Tontek Design Technology Co's Days Inventory compare to APH and GLW?
According to the Hardware industry distribution chart, Tontek Design Technology Co ranks #1804 out of 2418 companies for Days Inventory. This places Tontek Design Technology Co in the lower half of its industry. The industry median Days Inventory is 94.18. Tontek Design Technology Co's value of 129.07 is 37% above this benchmark. Historically, Tontek Design Technology Co's own Days Inventory has ranged from 83.61 to 206.75 over the past decade. While the company's 10-year median is 117.41 vs. the industry median of 94.18, Tontek Design Technology Co 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 94.18, based on 2,418 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. Tontek Design Technology Co's current Days Inventory of 129.07 is 37% 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 Tontek Design Technology Co and its competitors. For the Hardware industry, the median Days Inventory is 94.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tontek Design Technology Co's current Days Inventory is 129.07, which is 10% above median its own 10-year median of 117.41. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tontek Design Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Tontek Design Technology Co (ROCO:5487) is currently considered Fairly Valued. The stock's GF Value™ is NT$25.93, compared to a current price of NT$27.65 — trading 6.6% above its estimated fair value. The current Days Inventory is 129.07, which is 10% above median its 10-year median of 117.41 and 37% above the Hardware industry median of 94.18. Tontek Design Technology Co's overall GF Score™ is 66/100 with 2 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 Tontek Design Technology Co (ROCO:5487), the current Days Inventory is 129.07 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 Tontek Design Technology Co (ROCO:5487) Overvalued in 2026?

Based on GuruFocus' analysis, Tontek Design Technology Co stock appears to be overvalued. The current stock price of NT$27.65 is trading 6.6% above its estimated GF Value™ of NT$25.93. GuruFocus considers Tontek Design Technology Co to be Fairly Valued.

Key valuation signals for ROCO:5487:

  • Days Inventory: 129.07 (10% above median its 10-year median of 117.41)
  • GF Value™: NT$25.93 vs. price of NT$27.65 (6.6% above fair value)
  • GF Score™: 66/100 with 2 warning signs
  • Industry Position: 37% above the Hardware median (#1804 of 2418)

No single metric tells the full story. See the ROCO:5487 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tontek Design Technology Co Business Description

Address No.166, Jian 1st Road, Zhonghe District, 6 Floor, Taipei, Hsien, TWN, 235
Tontek Design Technology Co Ltd is a Taiwan-based company specialized in the design of ICs for consumer electronics. Its products are used in the touch pad, multimedia, green power, health care, 3C appliances and peripherals, among others.
66GF Score

Get the complete analysis for ROCO:5487

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

NT$27.65
Price
NT$25.93
GF Value