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Sunmax Biotechnology CoROCO:4728 91 Days Inventory is 121.64 as of Dec. 2025, which is 8% below its 10-year median of 131.75. GuruFocus rates ROCO:4728 with a GF Score™ of 91/100 and a GF Value™ of NT$441.66 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 638 Biotechnology companies, Sunmax Biotechnology Co ranks better than 63.01% on this metric.
The historical rank and industry rank for Sunmax Biotechnology Co's Days Inventory or its related term are showing as below:
ROCO:4728'
s Days Inventory Range Over the Past 10 Years
Min: 78.51 Med: 131.75 Max: 183.45
Current: 129.56
During the past 13 years, Sunmax Biotechnology Co's highest Days Inventory was 183.45. The lowest was 78.51. And the median was 131.75.
ROCO:4728's Days Inventory is ranked better than 63.01% of 638
companies
in the Biotechnology industry
Industry Median: 183.195
vs ROCO:4728: 129.56
Sunmax Biotechnology Co's Days Inventory
declined
from Dec. 2024 (140.67) to Dec. 2025 (121.64).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Sunmax Biotechnology Co's Inventory Turnover for the
three
months ended in Dec. 2025 was 0.75.
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.
Sunmax Biotechnology Co's Inventory-to-Revenue for the
three
months ended in Dec. 2025 was 0.31.
Sunmax Biotechnology Co (ROCO:4728) 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.
Sunmax Biotechnology 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.
Sunmax Biotechnology 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.
Sunmax Biotechnology Co Days Inventory Related Terms
Sunmax Biotechnology Co Days Inventory Historical Data
* 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.
ROCO:4728 vs VRTX, REGN, ALNY: Days Inventory Comparison
For the Biotechnology subindustry, Sunmax Biotechnology 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.
Sunmax Biotechnology Co Days Inventory vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Sunmax Biotechnology Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Sunmax Biotechnology 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.
Sunmax Biotechnology Co (ROCO:4728) has a Days Inventory of 121.64 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Sunmax Biotechnology Co and its competitors. This is near median its historical median of 131.75. Over the past decade, Sunmax Biotechnology Co's Days Inventory has ranged from 78.51 to 183.45. According to the industry distribution chart, Sunmax Biotechnology Co ranks #236 out of 638 companies in the Biotechnology industry, placing it in the top 37%.
Is Sunmax Biotechnology Co's Days Inventory too high?
Sunmax Biotechnology Co's current Days Inventory of 121.64 is near median its 10-year median of 131.75. Over the past 10 years, this metric has ranged from a low of 78.51 to a high of 183.45. The Biotechnology industry median Days Inventory is 183.20. Sunmax Biotechnology Co's value of 121.64 is 33.6% below this industry median. Based on the distribution chart, Sunmax Biotechnology Co ranks #236 out of 638 companies in the Biotechnology industry, which is above the industry midpoint. Overall, Sunmax Biotechnology Co has a GF Score™ of 91/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Sunmax Biotechnology Co's Days Inventory compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Sunmax Biotechnology Co ranks #236 out of 638 companies for Days Inventory. This puts Sunmax Biotechnology Co in the upper half of its industry. The industry median Days Inventory is 183.20. Sunmax Biotechnology Co's value of 121.64 is 33.6% below this benchmark. Historically, Sunmax Biotechnology Co's own Days Inventory has ranged from 78.51 to 183.45 over the past decade. While the company's 10-year median is 131.75 vs. the industry median of 183.20, Sunmax Biotechnology Co 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 Biotechnology company?
The median Days Inventory among Biotechnology companies is 183.20, based on 638 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. Sunmax Biotechnology Co's current Days Inventory of 121.64 is 33.6% 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 Sunmax Biotechnology Co and its competitors. For the Biotechnology industry, the median Days Inventory is 183.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sunmax Biotechnology Co's current Days Inventory is 121.64, which is near median its own 10-year median of 131.75. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sunmax Biotechnology Co stock overvalued right now?
Based on GuruFocus' analysis, Sunmax Biotechnology Co (ROCO:4728) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$441.66, compared to a current price of NT$381.00 — trading 13.7% below its estimated fair value. The current Days Inventory is 121.64, which is near median its 10-year median of 131.75 and 33.6% below the Biotechnology industry median of 183.20. Sunmax Biotechnology Co's overall GF Score™ is 91/100 with 3 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 Sunmax Biotechnology Co (ROCO:4728), the current Days Inventory is 121.64 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 Sunmax Biotechnology Co (ROCO:4728) Overvalued in 2026?
Based on GuruFocus' analysis, Sunmax Biotechnology Co stock appears to be undervalued.
The current stock price of NT$381.00 is trading 13.7% below its estimated GF Value™ of NT$441.66.
GuruFocus considers Sunmax Biotechnology Co to be Modestly Undervalued.
Key valuation signals for ROCO:4728:
Days Inventory: 121.64 (near median its 10-year median of 131.75)
GF Value™: NT$441.66 vs. price of NT$381.00 (13.7% below fair value)
Industry Position: 33.6% below the Biotechnology median (#236 of 638)
No single metric tells the full story. See the ROCO:4728 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Sunmax Biotechnology Co Ltd is a biomedical company in Taiwan. It is engaged in the development, manufacturing, and commercialization of Sunmax medical devices and bio-surgical products. Additionally, it also researches, develops, manufactures and sales biomedical material grade collagen and related products. The company's products include medical products, biomedical materials, and porcine collagen skin care products.
91GF Score
Get the complete analysis for ROCO:4728
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