What is Perma-Fix Environmental Services Days Inventory?
Perma-Fix Environmental ServicesSTU:PFX1 -0.85%51 Days Inventory is 11.26 as of Mar. 2026, which is 217% above its 10-year median of 3.55. GuruFocus rates STU:PFX1 with a GF Score™ of 51/100 and a GF Value™ of €6.08 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 215 Waste Management companies, Perma-Fix Environmental Services ranks better than 73.49% on this metric.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Perma-Fix Environmental Services's Inventory Turnover for the
three
months ended in Mar. 2026 was 8.10.
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.
Perma-Fix Environmental Services's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.16.
Perma-Fix Environmental Services (STU:PFX1) 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.
Perma-Fix Environmental Services's Inventory Turnover for the
three
months ended in Mar. 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.
Perma-Fix Environmental Services's Inventory to Revenue for the
three
months ended in Mar. 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.
Perma-Fix Environmental Services Days Inventory Related Terms
Perma-Fix Environmental Services 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.
Perma-Fix Environmental Services Days Inventory Chart
STU:PFX1 vs YDDL, SGLA, LNZA: Days Inventory Comparison
For the Waste Management subindustry, Perma-Fix Environmental Services'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.
Perma-Fix Environmental Services Days Inventory vs Waste Management Industry
For the Waste Management industry and Industrials sector, Perma-Fix Environmental Services's Days Inventory distribution charts can be found below:
* The bar in red indicates where Perma-Fix Environmental Services'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.
Perma-Fix Environmental Services (STU:PFX1) has a Days Inventory of 11.26 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Perma-Fix Environmental Services and its competitors. This is 217% above median its historical median of 3.55. Over the past decade, Perma-Fix Environmental Services' Days Inventory has ranged from 2.24 to 9.54. According to the industry distribution chart, Perma-Fix Environmental Services ranks #57 out of 215 companies in the Waste Management industry, placing it in the top 26.5%.
Is Perma-Fix Environmental Services' Days Inventory too high?
Perma-Fix Environmental Services' current Days Inventory of 11.26 is 217% above median its 10-year median of 3.55. Over the past 10 years, this metric has ranged from a low of 2.24 to a high of 9.54. The Waste Management industry median Days Inventory is 28.49. Perma-Fix Environmental Services' value of 11.26 is 60.5% below this industry median. Based on the distribution chart, Perma-Fix Environmental Services ranks #57 out of 215 companies in the Waste Management industry, which is above the industry midpoint. Overall, Perma-Fix Environmental Services has a GF Score™ of 51/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Perma-Fix Environmental Services' Days Inventory compare to YDDL and SGLA?
According to the Waste Management industry distribution chart, Perma-Fix Environmental Services ranks #57 out of 215 companies for Days Inventory. This puts Perma-Fix Environmental Services in the upper half of its industry. The industry median Days Inventory is 28.49. Perma-Fix Environmental Services' value of 11.26 is 60.5% below this benchmark. Historically, Perma-Fix Environmental Services' own Days Inventory has ranged from 2.24 to 9.54 over the past decade. While the company's 10-year median is 3.55 vs. the industry median of 28.49, Perma-Fix Environmental Services 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 Waste Management company?
The median Days Inventory among Waste Management companies is 28.49, based on 215 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. Perma-Fix Environmental Services's current Days Inventory of 11.26 is 60.5% 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 Perma-Fix Environmental Services and its competitors. For the Waste Management industry, the median Days Inventory is 28.49 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Perma-Fix Environmental Services's current Days Inventory is 11.26, which is 217% above median its own 10-year median of 3.55. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Perma-Fix Environmental Services stock overvalued right now?
Based on GuruFocus' analysis, Perma-Fix Environmental Services (STU:PFX1) is currently considered Significantly Overvalued. The stock's GF Value™ is €6.08, compared to a current price of €10.53 — trading 73.2% above its estimated fair value. The current Days Inventory is 11.26, which is 217% above median its 10-year median of 3.55 and 60.5% below the Waste Management industry median of 28.49. Perma-Fix Environmental Services' overall GF Score™ is 51/100 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 Perma-Fix Environmental Services (STU:PFX1), the current Days Inventory is 11.26 as of Mar. 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 Perma-Fix Environmental Services (STU:PFX1) Overvalued in 2026?
Based on GuruFocus' analysis, Perma-Fix Environmental Services stock appears to be overvalued.
The current stock price of €10.53 is trading 73.2% above its estimated GF Value™ of €6.08.
GuruFocus considers Perma-Fix Environmental Services to be Significantly Overvalued.
Key valuation signals for STU:PFX1:
Days Inventory: 11.26 (217% above median its 10-year median of 3.55)
GF Value™: €6.08 vs. price of €10.53 (73.2% above fair value)
Industry Position: 60.5% below the Waste Management median (#57 of 215)
No single metric tells the full story. See the STU:PFX1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Perma-Fix Environmental Services Business Description
Perma-Fix Environmental Services Inc is a nuclear services company and provider of nuclear and mixed waste management services. The company's nuclear waste services include treatment and management of radioactive and mixed waste (waste containing both hazardous and low-level radioactive waste). The company operates through two segments: i) The treatment segment: It offers nuclear, low-level radioactive, Mixed, hazardous and non-hazardous waste treatment, processing and disposal services, and ii) the Services segment which generates the majority of the revenue, provides on-site waste management services to commercial and government customers, technology-based services, construction, logistics, and transportation services among others.
51GF Score
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