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.
6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. It’s calculated by current share price divided by share price 6-months ago. As of today (2026-08-01), Perma-Fix Environmental Services's 6-Month Price Index is 1.13.
Perma-Fix Environmental Services (STU:PFX1) 6-Month Price Index Explanation
Price Index (PI) also called momentum. Strategies involving Price Index are also known as momentum strategies as they allow investors to profit from a company’s stock price. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago.
The investment strategy for momentum investors is to buy winners and sell losers. That is, buy stocks that performed well and sell stocks that performed poorly in the past.
Perma-Fix Environmental Services 6-Month Price Index Related Terms
STU:PFX1 vs SGLA, ABAT, YDDL: 6-Month Price Index Comparison
For the Waste Management subindustry, Perma-Fix Environmental Services's 6-Month Price Index, along with its competitors' market caps and 6-Month Price Index 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 (STU:PFX1) 6-Month Price Index Calculation
6-Month Price Index is calculated as following:
6-Month Price Index
=
Current Share Price
/
Share Price 6-Months Ago
* 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 6-Month Price Index of 1.13 as of Aug. 01, 2026. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on Perma-Fix Environmental Services and its competitors.
Is Perma-Fix Environmental Services' 6-Month Price Index too high?
Perma-Fix Environmental Services' current 6-Month Price Index is 1.13. Overall, Perma-Fix Environmental Services has a GF Score™ of 54/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Perma-Fix Environmental Services' 6-Month Price Index compare to SGLA and ABAT?
Perma-Fix Environmental Services' 6-Month Price Index of 1.13 can be compared against companies in the Waste Management industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 6-Month Price Index for a Waste Management company?
A good 6-Month Price Index depends on the Waste Management industry context. However, 6-Month Price Index should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 6-Month Price Index mean?
A high 6-Month Price Index can signal that a stock is expensive relative to its fundamentals. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on Perma-Fix Environmental Services and its competitors. Perma-Fix Environmental Services's current 6-Month Price Index is 1.13. 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 €5.63, compared to a current price of €14.33 — trading 154.5% above its estimated fair value. The current 6-Month Price Index is 1.13. Perma-Fix Environmental Services' overall GF Score™ is 54/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 6-Month Price Index calculated?
6-Month Price Index is calculated from a company's financial statements. For Perma-Fix Environmental Services (STU:PFX1), the current 6-Month Price Index is 1.13 as of Aug. 01, 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 €14.33 is trading 154.5% above its estimated GF Value™ of €5.63.
GuruFocus considers Perma-Fix Environmental Services to be Significantly Overvalued.
Key valuation signals for STU:PFX1:
6-Month Price Index: 1.13
GF Value™: €5.63 vs. price of €14.33 (154.5% above fair value)
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 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.
54GF Score
Get the complete analysis for STU:PFX1
6-Month Price Index is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
STU:PFX1 has been successfully added to your 
