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ASP IsotopesSTU:W62 -5.76%29 Days Inventory is 36.20 as of Jun. 2026, which is 265% above its 10-year median of 9.93. GuruFocus rates STU:W62 with a GF Score™ of 29/100 and a GF Value™ of €19.79 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 1,547 Chemicals companies, ASP Isotopes ranks better than 96.9% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). ASP Isotopes's Average Total Inventories for the
three
months ended in Jun. 2026 was €1.25 Mil. ASP Isotopes's Cost of Goods Sold for the
three
months ended in Jun. 2026 was €3.16 Mil.
Hence, ASP Isotopes's Days Inventory for the
three
months ended in Jun. 2026 was 36.20.
The historical rank and industry rank for ASP Isotopes's Days Inventory or its related term are showing as below:
STU:W62'
s Days Inventory Range Over the Past 10 Years
Min: 9.47 Med: 9.93 Max: 18.57
Current: 18.57
During the past 5 years, ASP Isotopes's highest Days Inventory was 18.57. The lowest was 9.47. And the median was 9.93.
STU:W62's Days Inventory is ranked better than 96.9% of 1547
companies
in the Chemicals industry
Industry Median: 80.42
vs STU:W62: 18.57
ASP Isotopes's Days Inventory
declined
from Jun. 2025 (102.85) to Jun. 2026 (36.20).
Inventory Turnover measures how fast the company turns over its inventory within a year.
ASP Isotopes's Inventory Turnover for the
three
months ended in Jun. 2026 was 2.52.
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.
ASP Isotopes's Inventory-to-Revenue for the
three
months ended in Jun. 2026 was 0.28.
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.
ASP Isotopes's Inventory Turnover for the
three
months ended in Jun. 2026 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.
ASP Isotopes's Inventory to Revenue for the
three
months ended in Jun. 2026 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.
ASP Isotopes Days Inventory Related Terms
ASP Isotopes Days Inventory Historical Data
* Premium members only.
The historical data trend for ASP Isotopes'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.
STU:W62 vs RYAM, VHI, ASIX: Days Inventory Comparison
For the Chemicals subindustry, ASP Isotopes'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.
ASP Isotopes Days Inventory vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, ASP Isotopes's Days Inventory distribution charts can be found below:
* The bar in red indicates where ASP Isotopes'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.
ASP Isotopes (STU:W62) has a Days Inventory of 36.20 as of Jun. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on ASP Isotopes and its competitors. This is 265% above median its historical median of 9.93. Over the past decade, ASP Isotopes' Days Inventory has ranged from 9.47 to 18.57. According to the industry distribution chart, ASP Isotopes ranks #48 out of 1547 companies in the Chemicals industry, placing it in the top 3.1%.
Is ASP Isotopes' Days Inventory too high?
ASP Isotopes' current Days Inventory of 36.20 is 265% above median its 10-year median of 9.93. Over the past 10 years, this metric has ranged from a low of 9.47 to a high of 18.57. The Chemicals industry median Days Inventory is 80.42. ASP Isotopes' value of 36.20 is 55% below this industry median. Based on the distribution chart, ASP Isotopes ranks #48 out of 1547 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers. Overall, ASP Isotopes has a GF Score™ of 29/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does ASP Isotopes' Days Inventory compare to RYAM and VHI?
According to the Chemicals industry distribution chart, ASP Isotopes ranks #48 out of 1547 companies for Days Inventory. This places ASP Isotopes in the top 3% of its industry — outperforming the majority of peers. The industry median Days Inventory is 80.42. ASP Isotopes' value of 36.20 is 55% below this benchmark. Historically, ASP Isotopes' own Days Inventory has ranged from 9.47 to 18.57 over the past decade. While the company's 10-year median is 9.93 vs. the industry median of 80.42, ASP Isotopes 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 Chemicals company?
The median Days Inventory among Chemicals companies is 80.42, based on 1,547 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. ASP Isotopes's current Days Inventory of 36.20 is 55% 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 ASP Isotopes and its competitors. For the Chemicals industry, the median Days Inventory is 80.42 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ASP Isotopes's current Days Inventory is 36.20, which is 265% above median its own 10-year median of 9.93. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ASP Isotopes stock overvalued right now?
Based on GuruFocus' analysis, ASP Isotopes (STU:W62) is currently considered Possible Value Trap. The stock's GF Value™ is €19.79, compared to a current price of €3.26 — trading 83.5% below its estimated fair value. The current Days Inventory is 36.20, which is 265% above median its 10-year median of 9.93 and 55% below the Chemicals industry median of 80.42. ASP Isotopes' overall GF Score™ is 29/100 with 6 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 ASP Isotopes (STU:W62), the current Days Inventory is 36.20 as of Jun. 2026. 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 ASP Isotopes (STU:W62) Overvalued in 2026?
Based on GuruFocus' analysis, ASP Isotopes stock appears to be undervalued.
The current stock price of €3.26 is trading 83.5% below its estimated GF Value™ of €19.79.
GuruFocus considers ASP Isotopes to be Possible Value Trap.
Key valuation signals for STU:W62:
Days Inventory: 36.20 (265% above median its 10-year median of 9.93)
GF Value™: €19.79 vs. price of €3.26 (83.5% below fair value)
Industry Position: 55% below the Chemicals median (#48 of 1547)
No single metric tells the full story. See the STU:W62 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ASP Isotopes Inc is a materials company focused on producing and commercializing enriched isotopes for the nuclear medicine, healthcare, green energy, and quantum computing industries. Currently, the company has three operating segments: (i) nuclear fuels, (ii) specialist isotopes and related services, and (iii) construction services. Using proprietary technology-the Aerodynamic Separation Process (ASP)-the company enriches isotopes in South Africa, targeting high-value, low-volume markets to reduce reliance on foreign supply chains. Geographically, the company operates in South Africa, Hong Kong and United States generating key revenue from the Hong Kong region.
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