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Optorun CoTSE:6235 -6.15%79 Days Inventory is 209.58 as of Dec. 2025, which is 30% below its 10-year median of 300.95. GuruFocus rates TSE:6235 with a GF Score™ of 79/100 and a GF Value™ of 円2,158.02 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 2,968 Industrial Products companies, Optorun Co ranks worse than 87.53% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Optorun Co's Average Total Inventories for the
three
months ended in Dec. 2025 was 円16,222 Mil. Optorun Co's Cost of Goods Sold for the
three
months ended in Dec. 2025 was 円7,063 Mil.
Hence, Optorun Co's Days Inventory for the
three
months ended in Dec. 2025 was 209.58.
The historical rank and industry rank for Optorun Co's Days Inventory or its related term are showing as below:
TSE:6235'
s Days Inventory Range Over the Past 10 Years
Min: 210.6 Med: 300.95 Max: 382.02
Current: 279.26
During the past 11 years, Optorun Co's highest Days Inventory was 382.02. The lowest was 210.60. And the median was 300.95.
TSE:6235's Days Inventory is ranked worse than 87.53% of 2968
companies
in the Industrial Products industry
Industry Median: 119.51
vs TSE:6235: 279.26
Optorun Co's Days Inventory
declined
from Dec. 2024 (303.38) to Dec. 2025 (209.58).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Optorun Co's Inventory Turnover for the
three
months ended in Dec. 2025 was 0.44.
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.
Optorun Co's Inventory-to-Revenue for the
three
months ended in Dec. 2025 was 1.60.
Optorun Co (TSE:6235) 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.
Optorun 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.
Optorun 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.
Optorun Co Days Inventory Related Terms
Optorun Co Days Inventory Historical Data
* Premium members only.
The historical data trend for Optorun 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.
TSE:6235 vs GEV, ETN, PH: Days Inventory Comparison
For the Specialty Industrial Machinery subindustry, Optorun 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.
Optorun Co Days Inventory vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Optorun Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Optorun Co'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.
Optorun Co (TSE:6235) has a Days Inventory of 209.58 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Optorun Co and its competitors. This is 30% below median its historical median of 300.95. Over the past decade, Optorun Co's Days Inventory has ranged from 210.60 to 382.02. According to the industry distribution chart, Optorun Co ranks #2598 out of 2968 companies in the Industrial Products industry, placing it in the top 87.5%.
Is Optorun Co's Days Inventory too high?
Optorun Co's current Days Inventory of 209.58 is 30% below median its 10-year median of 300.95. Over the past 10 years, this metric has ranged from a low of 210.60 to a high of 382.02. The Industrial Products industry median Days Inventory is 119.51. Optorun Co's value of 209.58 is 75.4% above this industry median. Based on the distribution chart, Optorun Co ranks #2598 out of 2968 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Optorun Co has a GF Score™ of 79/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Optorun Co's Days Inventory compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Optorun Co ranks #2598 out of 2968 companies for Days Inventory. This places Optorun Co in the lower half of its industry. The industry median Days Inventory is 119.51. Optorun Co's value of 209.58 is 75.4% above this benchmark. Historically, Optorun Co's own Days Inventory has ranged from 210.60 to 382.02 over the past decade. While the company's 10-year median is 300.95 vs. the industry median of 119.51, Optorun 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 an Industrial Products company?
The median Days Inventory among Industrial Products companies is 119.51, based on 2,968 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. Optorun Co's current Days Inventory of 209.58 is 75.4% 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 Optorun Co and its competitors. For the Industrial Products industry, the median Days Inventory is 119.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Optorun Co's current Days Inventory is 209.58, which is 30% below median its own 10-year median of 300.95. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Optorun Co stock overvalued right now?
Based on GuruFocus' analysis, Optorun Co (TSE:6235) is currently considered Significantly Overvalued. The stock's GF Value™ is 円2,158.02, compared to a current price of 円3,360.00 — trading 55.7% above its estimated fair value. The current Days Inventory is 209.58, which is 30% below median its 10-year median of 300.95 and 75.4% above the Industrial Products industry median of 119.51. Optorun Co's overall GF Score™ is 79/100 with 4 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 Optorun Co (TSE:6235), the current Days Inventory is 209.58 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 Optorun Co (TSE:6235) Overvalued in 2026?
Based on GuruFocus' analysis, Optorun Co stock appears to be overvalued.
The current stock price of 円3,360.00 is trading 55.7% above its estimated GF Value™ of 円2,158.02.
GuruFocus considers Optorun Co to be Significantly Overvalued.
Key valuation signals for TSE:6235:
Days Inventory: 209.58 (30% below median its 10-year median of 300.95)
GF Value™: 円2,158.02 vs. price of 円3,360.00 (55.7% above fair value)
Industry Position: 75.4% above the Industrial Products median (#2598 of 2968)
No single metric tells the full story. See the TSE:6235 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Optorun Co Ltd is engaged in manufacturing, distribution and import/export of vacuum coating machines, peripheral equipment, and units using vacuum coating products. Precise control and physical vapor deposition (PVD) speed stabilization, are the pillars of thin film manufacturing technology. It uses such technology for the performance of RF ion sources, optical film thickness monitors, and sensor units. The company utilizes vacuum deposition equipment in the antireflection coating and hard coating for mobile phones, heat transmission mirrors are used in medical lighting, DVD pickup lenses, and other products.
79GF Score
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