Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Zhaoke OphthalmologyHKSE:06622 +1.61%47 Days Inventory is 298.88 as of Dec. 2025, which is 10% below its 10-year median of 332.78. GuruFocus rates HKSE:06622 with a GF Score™ of 47/100 and a GF Value™ of HK$2.60 (Fairly Valued). The stock has 5 warning signs investors should review. Among 642 Biotechnology companies, Zhaoke Ophthalmology ranks worse than 70.56% on this metric.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Zhaoke Ophthalmology's Inventory Turnover for the
six
months ended in Dec. 2025 was 0.61.
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.
Zhaoke Ophthalmology's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.87.
Zhaoke Ophthalmology (HKSE:06622) 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.
Zhaoke Ophthalmology'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.
Zhaoke Ophthalmology'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.
Zhaoke Ophthalmology Days Inventory Related Terms
Zhaoke Ophthalmology Days Inventory Historical Data
* Premium members only.
The historical data trend for Zhaoke Ophthalmology'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.
HKSE:06622 vs VRTX, REGN, MRNA: Days Inventory Comparison
For the Biotechnology subindustry, Zhaoke Ophthalmology'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.
Zhaoke Ophthalmology Days Inventory vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Zhaoke Ophthalmology's Days Inventory distribution charts can be found below:
* The bar in red indicates where Zhaoke Ophthalmology'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.
Zhaoke Ophthalmology (HKSE:06622) has a Days Inventory of 298.88 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Zhaoke Ophthalmology and its competitors. This is 10% below median its historical median of 332.78. Over the past decade, Zhaoke Ophthalmology's Days Inventory has ranged from 220.66 to 497.81. According to the industry distribution chart, Zhaoke Ophthalmology ranks #453 out of 642 companies in the Biotechnology industry, placing it in the top 70.6%.
Is Zhaoke Ophthalmology's Days Inventory too high?
Zhaoke Ophthalmology's current Days Inventory of 298.88 is 10% below median its 10-year median of 332.78. Over the past 10 years, this metric has ranged from a low of 220.66 to a high of 497.81. The Biotechnology industry median Days Inventory is 184.19. Zhaoke Ophthalmology's value of 298.88 is 62.3% above this industry median. Based on the distribution chart, Zhaoke Ophthalmology ranks #453 out of 642 companies in the Biotechnology industry, which is below the industry midpoint. Overall, Zhaoke Ophthalmology has a GF Score™ of 47/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Zhaoke Ophthalmology's Days Inventory compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Zhaoke Ophthalmology ranks #453 out of 642 companies for Days Inventory. This places Zhaoke Ophthalmology in the lower half of its industry. The industry median Days Inventory is 184.19. Zhaoke Ophthalmology's value of 298.88 is 62.3% above this benchmark. Historically, Zhaoke Ophthalmology's own Days Inventory has ranged from 220.66 to 497.81 over the past decade. While the company's 10-year median is 332.78 vs. the industry median of 184.19, Zhaoke Ophthalmology 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 Biotechnology company?
The median Days Inventory among Biotechnology companies is 184.19, based on 642 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. Zhaoke Ophthalmology's current Days Inventory of 298.88 is 62.3% 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 Zhaoke Ophthalmology and its competitors. For the Biotechnology industry, the median Days Inventory is 184.19 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Zhaoke Ophthalmology's current Days Inventory is 298.88, which is 10% below median its own 10-year median of 332.78. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Zhaoke Ophthalmology stock overvalued right now?
Based on GuruFocus' analysis, Zhaoke Ophthalmology (HKSE:06622) is currently considered Fairly Valued. The stock's GF Value™ is HK$2.60, compared to a current price of HK$2.53 — trading 2.7% below its estimated fair value. The current Days Inventory is 298.88, which is 10% below median its 10-year median of 332.78 and 62.3% above the Biotechnology industry median of 184.19. Zhaoke Ophthalmology's overall GF Score™ is 47/100 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 Zhaoke Ophthalmology (HKSE:06622), the current Days Inventory is 298.88 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 Zhaoke Ophthalmology (HKSE:06622) Overvalued in 2026?
Based on GuruFocus' analysis, Zhaoke Ophthalmology stock appears to be undervalued.
The current stock price of HK$2.53 is trading 2.7% below its estimated GF Value™ of HK$2.60.
GuruFocus considers Zhaoke Ophthalmology to be Fairly Valued.
Key valuation signals for HKSE:06622:
Days Inventory: 298.88 (10% below median its 10-year median of 332.78)
GF Value™: HK$2.60 vs. price of HK$2.53 (2.7% below fair value)
Industry Position: 62.3% above the Biotechnology median (#453 of 642)
No single metric tells the full story. See the HKSE:06622 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Zhaoke Ophthalmology Ltd is an ophthalmic pharmaceutical company dedicated to the research, development, manufacture and commercialization of therapies that address unmet medical needs. The company has three flagship drug assets progressing towards potential market approval: NVK002 for myopia, CsA Ophthalmic Gel for DED and TAB014 for wAMD; and two drug assets in the clinical stage BRIMOCHOL PF for presbyopia and ZKY001 for corneal epithelial defects. Geographically the company operates in Hong Kong, Chinese Mainland, South Korea, and Others, of which it generates maximum revenue from Chinese Mainland.
47GF Score
Get the complete analysis for HKSE:06622
Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
HKSE:06622 has been successfully added to your 
