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Bioray Biotech CoROCO:7561 +2.25%81 Days Inventory is 180.68 as of Dec. 2025, which is 11% above its 10-year median of 163.21. GuruFocus rates ROCO:7561 with a GF Score™ of 81/100 and a GF Value™ of NT$29.53 (Significantly Undervalued). Among 921 Drug Manufacturers companies, Bioray Biotech Co ranks worse than 52.23% on this metric.
The historical rank and industry rank for Bioray Biotech Co's Days Inventory or its related term are showing as below:
ROCO:7561'
s Days Inventory Range Over the Past 10 Years
Min: 127.93 Med: 163.21 Max: 212.36
Current: 170.75
During the past 9 years, Bioray Biotech Co's highest Days Inventory was 212.36. The lowest was 127.93. And the median was 163.21.
ROCO:7561's Days Inventory is ranked worse than 52.23% of 921
companies
in the Drug Manufacturers industry
Industry Median: 164.48
vs ROCO:7561: 170.75
Bioray Biotech Co's Days Inventory
increased
from Dec. 2024 (145.33) to Dec. 2025 (180.68).
It might indicate that Bioray Biotech Co's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Bioray Biotech Co's Inventory Turnover for the
six
months ended in Dec. 2025 was 1.01.
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.
Bioray Biotech Co's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.54.
Bioray Biotech Co (ROCO:7561) 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.
Bioray Biotech 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.
Bioray Biotech 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.
Bioray Biotech Co Days Inventory Related Terms
Bioray Biotech Co Days Inventory Historical Data
* Premium members only.
The historical data trend for Bioray Biotech 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 Drug Manufacturers - Specialty & Generic subindustry, Bioray Biotech 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.
Bioray Biotech Co Days Inventory vs Drug Manufacturers Industry
For the Drug Manufacturers industry and Healthcare sector, Bioray Biotech Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Bioray Biotech 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.
Bioray Biotech Co (ROCO:7561) has a Days Inventory of 180.68 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Bioray Biotech Co and its competitors. This is 11% above median its historical median of 163.21. Over the past decade, Bioray Biotech Co's Days Inventory has ranged from 127.93 to 212.36. According to the industry distribution chart, Bioray Biotech Co ranks #481 out of 921 companies in the Drug Manufacturers industry, placing it in the top 52.2%.
Is Bioray Biotech Co's Days Inventory too high?
Bioray Biotech Co's current Days Inventory of 180.68 is 11% above median its 10-year median of 163.21. Over the past 10 years, this metric has ranged from a low of 127.93 to a high of 212.36. The Drug Manufacturers industry median Days Inventory is 164.48. Bioray Biotech Co's value of 180.68 is 9.8% above this industry median. Based on the distribution chart, Bioray Biotech Co ranks #481 out of 921 companies in the Drug Manufacturers industry, which is below the industry midpoint. Overall, Bioray Biotech Co has a GF Score™ of 81/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Bioray Biotech Co's Days Inventory compare to ZTS and UTHR?
According to the Drug Manufacturers industry distribution chart, Bioray Biotech Co ranks #481 out of 921 companies for Days Inventory. This places Bioray Biotech Co in the lower half of its industry. The industry median Days Inventory is 164.48. Bioray Biotech Co's value of 180.68 is 9.8% above this benchmark. Historically, Bioray Biotech Co's own Days Inventory has ranged from 127.93 to 212.36 over the past decade. While the company's 10-year median is 163.21 vs. the industry median of 164.48, Bioray Biotech 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 Drug Manufacturers company?
The median Days Inventory among Drug Manufacturers companies is 164.48, based on 921 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. Bioray Biotech Co's current Days Inventory of 180.68 is 9.8% 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 Bioray Biotech Co and its competitors. For the Drug Manufacturers industry, the median Days Inventory is 164.48 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Bioray Biotech Co's current Days Inventory is 180.68, which is 11% above median its own 10-year median of 163.21. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Bioray Biotech Co stock overvalued right now?
Based on GuruFocus' analysis, Bioray Biotech Co (ROCO:7561) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$29.53, compared to a current price of NT$20.45 — trading 30.7% below its estimated fair value. The current Days Inventory is 180.68, which is 11% above median its 10-year median of 163.21 and 9.8% above the Drug Manufacturers industry median of 164.48. Bioray Biotech Co's overall GF Score™ is 81/100. 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 Bioray Biotech Co (ROCO:7561), the current Days Inventory is 180.68 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 Bioray Biotech Co (ROCO:7561) Overvalued in 2026?
Based on GuruFocus' analysis, Bioray Biotech Co stock appears to be undervalued.
The current stock price of NT$20.45 is trading 30.7% below its estimated GF Value™ of NT$29.53.
GuruFocus considers Bioray Biotech Co to be Significantly Undervalued.
Key valuation signals for ROCO:7561:
Days Inventory: 180.68 (11% above median its 10-year median of 163.21)
GF Value™: NT$29.53 vs. price of NT$20.45 (30.7% below fair value)
Industry Position: 9.8% above the Drug Manufacturers median (#481 of 921)
No single metric tells the full story. See the ROCO:7561 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Bioray Biotech Co Ltd is engaged in the development and manufacturing of biological agents, including functional probiotics, medicinal fungi, and immune cell preparations.
81GF Score
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