CStone PharmaceuticalsCSPHF -14.46%38 Days Inventory is 315.25 as of Dec. 2025, which is 50% above its 10-year median of 209.65. GuruFocus rates CSPHF with a GF Score™ of 38/100 and a GF Value™ of $0.14 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 638 Biotechnology companies, CStone Pharmaceuticals ranks worse than 68.5% on this metric.
The historical rank and industry rank for CStone Pharmaceuticals's Days Inventory or its related term are showing as below:
CSPHF'
s Days Inventory Range Over the Past 10 Years
Min: 80.44 Med: 209.65 Max: 434.36
Current: 303.37
During the past 10 years, CStone Pharmaceuticals's highest Days Inventory was 434.36. The lowest was 80.44. And the median was 209.65.
CSPHF's Days Inventory is ranked worse than 68.5% of 638
companies
in the Biotechnology industry
Industry Median: 183.875
vs CSPHF: 303.37
CStone Pharmaceuticals's Days Inventory
declined
from Dec. 2024 (503.21) to Dec. 2025 (315.25).
Inventory Turnover measures how fast the company turns over its inventory within a year.
CStone Pharmaceuticals's Inventory Turnover for the
six
months ended in Dec. 2025 was 0.58.
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.
CStone Pharmaceuticals's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.60.
CStone Pharmaceuticals (OTCPK:CSPHF) 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.
CStone Pharmaceuticals'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.
CStone Pharmaceuticals'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.
CStone Pharmaceuticals Days Inventory Related Terms
CStone Pharmaceuticals Days Inventory Historical Data
* Premium members only.
The historical data trend for CStone Pharmaceuticals'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.
CSPHF vs VRTX, REGN, ALNY: Days Inventory Comparison
For the Biotechnology subindustry, CStone Pharmaceuticals'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.
CStone Pharmaceuticals Days Inventory vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, CStone Pharmaceuticals's Days Inventory distribution charts can be found below:
* The bar in red indicates where CStone Pharmaceuticals'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.
CStone Pharmaceuticals (CSPHF) has a Days Inventory of 315.25 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on CStone Pharmaceuticals and its competitors. This is 50% above median its historical median of 209.65. Over the past decade, CStone Pharmaceuticals' Days Inventory has ranged from 80.44 to 434.36. According to the industry distribution chart, CStone Pharmaceuticals ranks #437 out of 638 companies in the Biotechnology industry, placing it in the top 68.5%.
Is CStone Pharmaceuticals' Days Inventory too high?
CStone Pharmaceuticals' current Days Inventory of 315.25 is 50% above median its 10-year median of 209.65. Over the past 10 years, this metric has ranged from a low of 80.44 to a high of 434.36. The Biotechnology industry median Days Inventory is 183.88. CStone Pharmaceuticals' value of 315.25 is 71.4% above this industry median. Based on the distribution chart, CStone Pharmaceuticals ranks #437 out of 638 companies in the Biotechnology industry, which is below the industry midpoint. Overall, CStone Pharmaceuticals has a GF Score™ of 38/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does CStone Pharmaceuticals' Days Inventory compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, CStone Pharmaceuticals ranks #437 out of 638 companies for Days Inventory. This places CStone Pharmaceuticals in the lower half of its industry. The industry median Days Inventory is 183.88. CStone Pharmaceuticals' value of 315.25 is 71.4% above this benchmark. Historically, CStone Pharmaceuticals' own Days Inventory has ranged from 80.44 to 434.36 over the past decade. While the company's 10-year median is 209.65 vs. the industry median of 183.88, CStone Pharmaceuticals 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 183.88, 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. CStone Pharmaceuticals's current Days Inventory of 315.25 is 71.4% 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 CStone Pharmaceuticals and its competitors. For the Biotechnology industry, the median Days Inventory is 183.88 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. CStone Pharmaceuticals's current Days Inventory is 315.25, which is 50% above median its own 10-year median of 209.65. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is CStone Pharmaceuticals stock overvalued right now?
Based on GuruFocus' analysis, CStone Pharmaceuticals (CSPHF) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.14, compared to a current price of $0.59 — trading 324.6% above its estimated fair value. The current Days Inventory is 315.25, which is 50% above median its 10-year median of 209.65 and 71.4% above the Biotechnology industry median of 183.88. CStone Pharmaceuticals' overall GF Score™ is 38/100 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 CStone Pharmaceuticals (CSPHF), the current Days Inventory is 315.25 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 CStone Pharmaceuticals (CSPHF) Overvalued in 2026?
Based on GuruFocus' analysis, CStone Pharmaceuticals stock appears to be overvalued.
The current stock price of $0.59 is trading 324.6% above its estimated GF Value™ of $0.14.
GuruFocus considers CStone Pharmaceuticals to be Significantly Overvalued.
Key valuation signals for CSPHF:
Days Inventory: 315.25 (50% above median its 10-year median of 209.65)
GF Value™: $0.14 vs. price of $0.59 (324.6% above fair value)
Industry Position: 71.4% above the Biotechnology median (#437 of 638)
No single metric tells the full story. See the CSPHF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
CStone Pharmaceuticals is engaged in developing and commercializing immuno-oncology and molecularly targeted drugs to address unmet medical needs in cancer treatment. The Group has been operating in one reportable segment, being the research and development of high-complex biopharmaceutical products, the sale of pharmaceutical products, and provide license of its IP or commercialisation licenses to customers.
38GF Score
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