Jet Optoelectronics CoROCO:2255 59 Days Inventory is 143.49 as of Dec. 2025, which is 60% above its 10-year median of 89.74. GuruFocus rates ROCO:2255 with a GF Score™ of 59/100 and a GF Value™ of NT$30.15 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 1,290 Vehicles & Parts companies, Jet Optoelectronics Co ranks worse than 79.07% on this metric.
The historical rank and industry rank for Jet Optoelectronics Co's Days Inventory or its related term are showing as below:
ROCO:2255'
s Days Inventory Range Over the Past 10 Years
Min: 36.85 Med: 89.74 Max: 185.71
Current: 131.49
During the past 8 years, Jet Optoelectronics Co's highest Days Inventory was 185.71. The lowest was 36.85. And the median was 89.74.
ROCO:2255's Days Inventory is ranked worse than 79.07% of 1290
companies
in the Vehicles & Parts industry
Industry Median: 80.33
vs ROCO:2255: 131.49
Jet Optoelectronics Co's Days Inventory
declined
from Dec. 2024 (163.76) to Dec. 2025 (143.49).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Jet Optoelectronics Co's Inventory Turnover for the
six
months ended in Dec. 2025 was 1.27.
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.
Jet Optoelectronics Co's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.65.
Jet Optoelectronics Co (ROCO:2255) 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.
Jet Optoelectronics Co's Inventory Turnover for the
six
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.
Jet Optoelectronics Co's Inventory to Revenue for the
six
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.
Jet Optoelectronics Co Days Inventory Related Terms
Jet Optoelectronics Co Days Inventory Historical Data
* Premium members only.
The historical data trend for Jet Optoelectronics 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.
For the Auto Parts subindustry, Jet Optoelectronics 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.
Jet Optoelectronics Co Days Inventory vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Jet Optoelectronics Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Jet Optoelectronics 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.
Jet Optoelectronics Co (ROCO:2255) has a Days Inventory of 143.49 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Jet Optoelectronics Co and its competitors. This is 60% above median its historical median of 89.74. Over the past decade, Jet Optoelectronics Co's Days Inventory has ranged from 36.85 to 185.71. According to the industry distribution chart, Jet Optoelectronics Co ranks #1020 out of 1290 companies in the Vehicles & Parts industry, placing it in the top 79.1%.
Is Jet Optoelectronics Co's Days Inventory too high?
Jet Optoelectronics Co's current Days Inventory of 143.49 is 60% above median its 10-year median of 89.74. Over the past 10 years, this metric has ranged from a low of 36.85 to a high of 185.71. The Vehicles & Parts industry median Days Inventory is 80.33. Jet Optoelectronics Co's value of 143.49 is 78.6% above this industry median. Based on the distribution chart, Jet Optoelectronics Co ranks #1020 out of 1290 companies in the Vehicles & Parts industry, which is in the bottom quartile relative to peers. Overall, Jet Optoelectronics Co has a GF Score™ of 59/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Jet Optoelectronics Co's Days Inventory compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Jet Optoelectronics Co ranks #1020 out of 1290 companies for Days Inventory. This places Jet Optoelectronics Co in the lower half of its industry. The industry median Days Inventory is 80.33. Jet Optoelectronics Co's value of 143.49 is 78.6% above this benchmark. Historically, Jet Optoelectronics Co's own Days Inventory has ranged from 36.85 to 185.71 over the past decade. While the company's 10-year median is 89.74 vs. the industry median of 80.33, Jet Optoelectronics 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 Vehicles & Parts company?
The median Days Inventory among Vehicles & Parts companies is 80.33, based on 1,290 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. Jet Optoelectronics Co's current Days Inventory of 143.49 is 78.6% 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 Jet Optoelectronics Co and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.33 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Jet Optoelectronics Co's current Days Inventory is 143.49, which is 60% above median its own 10-year median of 89.74. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Jet Optoelectronics Co stock overvalued right now?
Based on GuruFocus' analysis, Jet Optoelectronics Co (ROCO:2255) is currently considered Possible Value Trap. The stock's GF Value™ is NT$30.15, compared to a current price of NT$17.15 — trading 43.1% below its estimated fair value. The current Days Inventory is 143.49, which is 60% above median its 10-year median of 89.74 and 78.6% above the Vehicles & Parts industry median of 80.33. Jet Optoelectronics Co's overall GF Score™ is 59/100 with 7 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 Jet Optoelectronics Co (ROCO:2255), the current Days Inventory is 143.49 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 Jet Optoelectronics Co (ROCO:2255) Overvalued in 2026?
Based on GuruFocus' analysis, Jet Optoelectronics Co stock appears to be undervalued.
The current stock price of NT$17.15 is trading 43.1% below its estimated GF Value™ of NT$30.15.
GuruFocus considers Jet Optoelectronics Co to be Possible Value Trap.
Key valuation signals for ROCO:2255:
Days Inventory: 143.49 (60% above median its 10-year median of 89.74)
GF Value™: NT$30.15 vs. price of NT$17.15 (43.1% below fair value)
Industry Position: 78.6% above the Vehicles & Parts median (#1020 of 1290)
No single metric tells the full story. See the ROCO:2255 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Jet Optoelectronics Co Ltd is engaged in the design, manufacture, and sales of high-value-added automotive multimedia audio-visual and human-machine interface systems, as well as the wholesale of automobile and motorcycle parts and equipment.
59GF Score
Get the complete analysis for ROCO:2255
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