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Young OpticsTPE:3504 -6.81%63 Days Inventory is 62.79 as of Mar. 2026, which is 3% below its 10-year median of 64.76. GuruFocus rates TPE:3504 with a GF Score™ of 63/100 and a GF Value™ of NT$52.29 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 2,969 Industrial Products companies, Young Optics ranks better than 82.59% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Young Optics's Average Total Inventories for the
three
months ended in Mar. 2026 was NT$385 Mil. Young Optics's Cost of Goods Sold for the
three
months ended in Mar. 2026 was NT$560 Mil.
Hence, Young Optics's Days Inventory for the
three
months ended in Mar. 2026 was 62.79.
The historical rank and industry rank for Young Optics's Days Inventory or its related term are showing as below:
TPE:3504'
s Days Inventory Range Over the Past 10 Years
Min: 59.15 Med: 64.76 Max: 76.8
Current: 62.22
During the past 13 years, Young Optics's highest Days Inventory was 76.80. The lowest was 59.15. And the median was 64.76.
TPE:3504's Days Inventory is ranked better than 82.59% of 2969
companies
in the Industrial Products industry
Industry Median: 119.47
vs TPE:3504: 62.22
Young Optics's Days Inventory
declined
from Mar. 2025 (64.93) to Mar. 2026 (62.79).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Young Optics's Inventory Turnover for the
three
months ended in Mar. 2026 was 1.45.
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.
Young Optics's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.56.
Young Optics (TPE:3504) 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.
Young Optics's Inventory Turnover for the
three
months ended in Mar. 2026 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.
Young Optics's Inventory to Revenue for the
three
months ended in Mar. 2026 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.
Young Optics Days Inventory Related Terms
Young Optics Days Inventory Historical Data
* Premium members only.
The historical data trend for Young Optics'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.
For the Electrical Equipment & Parts subindustry, Young Optics'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.
Young Optics Days Inventory vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Young Optics's Days Inventory distribution charts can be found below:
* The bar in red indicates where Young Optics'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.
Young Optics (TPE:3504) has a Days Inventory of 62.79 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Young Optics and its competitors. This is near median its historical median of 64.76. Over the past decade, Young Optics' Days Inventory has ranged from 59.15 to 76.80. According to the industry distribution chart, Young Optics ranks #517 out of 2969 companies in the Industrial Products industry, placing it in the top 17.4%.
Is Young Optics' Days Inventory too high?
Young Optics' current Days Inventory of 62.79 is near median its 10-year median of 64.76. Over the past 10 years, this metric has ranged from a low of 59.15 to a high of 76.80. The Industrial Products industry median Days Inventory is 119.47. Young Optics' value of 62.79 is 47.4% below this industry median. Based on the distribution chart, Young Optics ranks #517 out of 2969 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Young Optics has a GF Score™ of 63/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Young Optics' Days Inventory compare to VRT and BE?
According to the Industrial Products industry distribution chart, Young Optics ranks #517 out of 2969 companies for Days Inventory. This places Young Optics in the top 17% of its industry — outperforming the majority of peers. The industry median Days Inventory is 119.47. Young Optics' value of 62.79 is 47.4% below this benchmark. Historically, Young Optics' own Days Inventory has ranged from 59.15 to 76.80 over the past decade. While the company's 10-year median is 64.76 vs. the industry median of 119.47, Young Optics 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 Industrial Products company?
The median Days Inventory among Industrial Products companies is 119.47, based on 2,969 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. Young Optics's current Days Inventory of 62.79 is 47.4% 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 Young Optics and its competitors. For the Industrial Products industry, the median Days Inventory is 119.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Young Optics's current Days Inventory is 62.79, which is near median its own 10-year median of 64.76. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Young Optics stock overvalued right now?
Based on GuruFocus' analysis, Young Optics (TPE:3504) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$52.29, compared to a current price of NT$71.20 — trading 36.2% above its estimated fair value. The current Days Inventory is 62.79, which is near median its 10-year median of 64.76 and 47.4% below the Industrial Products industry median of 119.47. Young Optics' overall GF Score™ is 63/100 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 Young Optics (TPE:3504), the current Days Inventory is 62.79 as of Mar. 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 Young Optics (TPE:3504) Overvalued in 2026?
Based on GuruFocus' analysis, Young Optics stock appears to be overvalued.
The current stock price of NT$71.20 is trading 36.2% above its estimated GF Value™ of NT$52.29.
GuruFocus considers Young Optics to be Significantly Overvalued.
Key valuation signals for TPE:3504:
Days Inventory: 62.79 (near median its 10-year median of 64.76)
GF Value™: NT$52.29 vs. price of NT$71.20 (36.2% above fair value)
Industry Position: 47.4% below the Industrial Products median (#517 of 2969)
No single metric tells the full story. See the TPE:3504 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Young Optics Inc mainly engages in research, design, manufacturing and sales of optical components, optical engines, and key components. The Group is mainly engaged in the development, market expansion, and manufacture of optical related products. The company has a single operating segment. The product portfolio of the company comprises mold machining, metal machining, optical components, Engine, Module, etc. The company has presence in Mainland China, Southeast Asia, Europe, United States, Taiwan, and Others.
63GF Score
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