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Jason CoROCO:4570 90 Days Inventory is 270.41 as of Dec. 2025, which is 7% above its 10-year median of 253.47. GuruFocus rates ROCO:4570 with a GF Score™ of 90/100 and a GF Value™ of NT$56.45 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 1,290 Vehicles & Parts companies, Jason Co ranks worse than 96.67% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Jason Co's Average Total Inventories for the
six
months ended in Dec. 2025 was NT$656 Mil. Jason Co's Cost of Goods Sold for the
six
months ended in Dec. 2025 was NT$443 Mil.
Hence, Jason Co's Days Inventory for the
six
months ended in Dec. 2025 was 270.41.
The historical rank and industry rank for Jason Co's Days Inventory or its related term are showing as below:
ROCO:4570'
s Days Inventory Range Over the Past 10 Years
Min: 185 Med: 253.47 Max: 300.8
Current: 296.1
During the past 9 years, Jason Co's highest Days Inventory was 300.80. The lowest was 185.00. And the median was 253.47.
ROCO:4570's Days Inventory is ranked worse than 96.67% of 1290
companies
in the Vehicles & Parts industry
Industry Median: 80.43
vs ROCO:4570: 296.10
Jason Co's Days Inventory
declined
from Dec. 2024 (301.83) to Dec. 2025 (270.41).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Jason Co's Inventory Turnover for the
six
months ended in Dec. 2025 was 0.67.
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.
Jason Co's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.96.
Jason Co (ROCO:4570) 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.
Jason 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.
Jason 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.
Jason Co Days Inventory Related Terms
Jason Co Days Inventory Historical Data
* Premium members only.
The historical data trend for Jason 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, Jason 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.
Jason Co Days Inventory vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Jason Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Jason 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.
Jason Co (ROCO:4570) has a Days Inventory of 270.41 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Jason Co and its competitors. This is near median its historical median of 253.47. Over the past decade, Jason Co's Days Inventory has ranged from 185.00 to 300.80. According to the industry distribution chart, Jason Co ranks #1247 out of 1290 companies in the Vehicles & Parts industry, placing it in the top 96.7%.
Is Jason Co's Days Inventory too high?
Jason Co's current Days Inventory of 270.41 is near median its 10-year median of 253.47. Over the past 10 years, this metric has ranged from a low of 185.00 to a high of 300.80. The Vehicles & Parts industry median Days Inventory is 80.43. Jason Co's value of 270.41 is 236.2% above this industry median. Based on the distribution chart, Jason Co ranks #1247 out of 1290 companies in the Vehicles & Parts industry, which is in the bottom quartile relative to peers. Overall, Jason Co has a GF Score™ of 90/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Jason Co's Days Inventory compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Jason Co ranks #1247 out of 1290 companies for Days Inventory. This places Jason Co in the lower half of its industry. The industry median Days Inventory is 80.43. Jason Co's value of 270.41 is 236.2% above this benchmark. Historically, Jason Co's own Days Inventory has ranged from 185.00 to 300.80 over the past decade. While the company's 10-year median is 253.47 vs. the industry median of 80.43, Jason 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 80.43, 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. Jason Co's current Days Inventory of 270.41 is 236.2% 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 Jason Co and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.43 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Jason Co's current Days Inventory is 270.41, which is near median its own 10-year median of 253.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Jason Co stock overvalued right now?
Based on GuruFocus' analysis, Jason Co (ROCO:4570) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$56.45, compared to a current price of NT$68.00 — trading 20.5% above its estimated fair value. The current Days Inventory is 270.41, which is near median its 10-year median of 253.47 and 236.2% above the Vehicles & Parts industry median of 80.43. Jason Co's overall GF Score™ is 90/100 with 5 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 Jason Co (ROCO:4570), the current Days Inventory is 270.41 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 Jason Co (ROCO:4570) Overvalued in 2026?
Based on GuruFocus' analysis, Jason Co stock appears to be overvalued.
The current stock price of NT$68.00 is trading 20.5% above its estimated GF Value™ of NT$56.45.
GuruFocus considers Jason Co to be Modestly Overvalued.
Key valuation signals for ROCO:4570:
Days Inventory: 270.41 (near median its 10-year median of 253.47)
GF Value™: NT$56.45 vs. price of NT$68.00 (20.5% above fair value)
Industry Position: 236.2% above the Vehicles & Parts median (#1247 of 1290)
No single metric tells the full story. See the ROCO:4570 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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