Edison OptoTPE:3591 +0.19%76 Days Inventory is 61.06 as of Dec. 2025, which is 1% above its 10-year median of 60.38. GuruFocus rates TPE:3591 with a GF Score™ of 76/100 and a GF Value™ of NT$26.79 (Fairly Valued). The stock has 9 warning signs investors should review. Among 2,414 Hardware companies, Edison Opto ranks better than 73.7% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Edison Opto's Average Total Inventories for the
three
months ended in Dec. 2025 was NT$290 Mil. Edison Opto's Cost of Goods Sold for the
three
months ended in Dec. 2025 was NT$434 Mil.
Hence, Edison Opto's Days Inventory for the
three
months ended in Dec. 2025 was 61.06.
The historical rank and industry rank for Edison Opto's Days Inventory or its related term are showing as below:
TPE:3591'
s Days Inventory Range Over the Past 10 Years
Min: 38.32 Med: 60.38 Max: 81.21
Current: 59.31
During the past 13 years, Edison Opto's highest Days Inventory was 81.21. The lowest was 38.32. And the median was 60.38.
TPE:3591's Days Inventory is ranked better than 73.7% of 2414
companies
in the Hardware industry
Industry Median: 94.265
vs TPE:3591: 59.31
Edison Opto's Days Inventory
increased
from Dec. 2024 (54.26) to Dec. 2025 (61.06).
It might indicate that Edison Opto's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Edison Opto's Inventory Turnover for the
three
months ended in Dec. 2025 was 1.49.
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.
Edison Opto's Inventory-to-Revenue for the
three
months ended in Dec. 2025 was 0.53.
Edison Opto (TPE:3591) 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.
Edison Opto'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.
Edison Opto'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.
Edison Opto Days Inventory Related Terms
Edison Opto Days Inventory Historical Data
* Premium members only.
The historical data trend for Edison Opto'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 Electronic Components subindustry, Edison Opto'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.
Edison Opto Days Inventory vs Hardware Industry
For the Hardware industry and Technology sector, Edison Opto's Days Inventory distribution charts can be found below:
* The bar in red indicates where Edison Opto'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.
Edison Opto (TPE:3591) has a Days Inventory of 61.06 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Edison Opto and its competitors. This is near median its historical median of 60.38. Over the past decade, Edison Opto's Days Inventory has ranged from 38.32 to 81.21. According to the industry distribution chart, Edison Opto ranks #635 out of 2414 companies in the Hardware industry, placing it in the top 26.3%.
Is Edison Opto's Days Inventory too high?
Edison Opto's current Days Inventory of 61.06 is near median its 10-year median of 60.38. Over the past 10 years, this metric has ranged from a low of 38.32 to a high of 81.21. The Hardware industry median Days Inventory is 94.27. Edison Opto's value of 61.06 is 35.2% below this industry median. Based on the distribution chart, Edison Opto ranks #635 out of 2414 companies in the Hardware industry, which is above the industry midpoint. Overall, Edison Opto has a GF Score™ of 76/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Edison Opto's Days Inventory compare to APH and GLW?
According to the Hardware industry distribution chart, Edison Opto ranks #635 out of 2414 companies for Days Inventory. This puts Edison Opto in the upper half of its industry. The industry median Days Inventory is 94.27. Edison Opto's value of 61.06 is 35.2% below this benchmark. Historically, Edison Opto's own Days Inventory has ranged from 38.32 to 81.21 over the past decade. While the company's 10-year median is 60.38 vs. the industry median of 94.27, Edison Opto 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 Hardware company?
The median Days Inventory among Hardware companies is 94.27, based on 2,414 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. Edison Opto's current Days Inventory of 61.06 is 35.2% 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 Edison Opto and its competitors. For the Hardware industry, the median Days Inventory is 94.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Edison Opto's current Days Inventory is 61.06, which is near median its own 10-year median of 60.38. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Edison Opto stock overvalued right now?
Based on GuruFocus' analysis, Edison Opto (TPE:3591) is currently considered Fairly Valued. The stock's GF Value™ is NT$26.79, compared to a current price of NT$26.10 — trading 2.6% below its estimated fair value. The current Days Inventory is 61.06, which is near median its 10-year median of 60.38 and 35.2% below the Hardware industry median of 94.27. Edison Opto's overall GF Score™ is 76/100 with 9 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 Edison Opto (TPE:3591), the current Days Inventory is 61.06 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 Edison Opto (TPE:3591) Overvalued in 2026?
Based on GuruFocus' analysis, Edison Opto stock appears to be undervalued.
The current stock price of NT$26.10 is trading 2.6% below its estimated GF Value™ of NT$26.79.
GuruFocus considers Edison Opto to be Fairly Valued.
Key valuation signals for TPE:3591:
Days Inventory: 61.06 (near median its 10-year median of 60.38)
GF Value™: NT$26.79 vs. price of NT$26.10 (2.6% below fair value)
Industry Position: 35.2% below the Hardware median (#635 of 2414)
No single metric tells the full story. See the TPE:3591 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Edison Opto Corp is engaged in manufacturing, selling, researching, and developing LED components, modules, and finished products in general lighting and automotive lighting areas. The company's operating segments include The Company; Edison Opto (Dong Guan) Co. Ltd; Yangzhou Edison Opto Corporation; Yangzhou Edison-Litek Opto Corporation; Edison-Litek Opto Corporation, and other subsidiaries. It generates maximum revenue from the Company segment.
76GF Score
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