Energy RecoveryERII -1.19%71 Median PS Value is $21.22 as of Jun. 24, 2026, which is 1698% above its 10-year median of 1.18. GuruFocus rates ERII with a GF Score™ of 71/100 and a GF Value™ of $14.81 (Significantly Undervalued). The stock has 5 warning signs investors should review. Among 1,641 Industrial Products companies, Energy Recovery ranks better than 93.42% on this metric.
This valuation method assumes that the stock valuation will revert to its historical (10-Year) median in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
As of today (2026-06-24), Energy Recovery's share price is $8.77. Energy Recovery's Median PS Value is $21.22. Therefore, Energy Recovery's Price to Median PS Value for today is 0.41.
The historical rank and industry rank for Energy Recovery's Median PS Value or its related term are showing as below:
ERII'
s Price-to-Median-PS-Value Range Over the Past 10 Years
Min: 0.41 Med: 1.18 Max: 1.77
Current: 0.41
During the past 13 years, the highest Price to Median PS Value of Energy Recovery was 1.77. The lowest was 0.41. And the median was 1.18.
ERII's Price-to-Median-PS-Value is ranked better than 93.42% of 1641
companies
in the Industrial Products industry
Industry Median: 1.14
vs ERII: 0.41
Energy Recovery (NAS:ERII) Median PS Value Explanation
This valuation method assumes that the stock valuation will revert to its historical (10-Year) mean in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio
is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
It also assumes that over time the profit margin is constant. If a company increases its profit margin to a sustainable level, this value might under-estimate its value. If it has permanent declined profit margins, this may over-estimate the company's value.
Energy Recovery's Price to Median PS Value for today is calculated as
Price to Median PS Value
=
Share Price
/
Median PS Value
=
8.77
/
21.22
=
0.41
* 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.
Energy Recovery Median PS Value Related Terms
Energy Recovery Median PS Value Historical Data
* Premium members only.
The historical data trend for Energy Recovery's Median PS Value 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.
ERII vs ARQ, FTEK, BCHT: Median PS Value Comparison
For the Pollution & Treatment Controls subindustry, Energy Recovery's Price-to-Median-PS-Value, along with its competitors' market caps and Price-to-Median-PS-Value 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.
Energy Recovery Price-to-Median-PS-Value vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Energy Recovery's Price-to-Median-PS-Value distribution charts can be found below:
* The bar in red indicates where Energy Recovery's Price-to-Median-PS-Value falls into.
10-Year Median PS Ratio is 8.3907.
Energy Recovery's Revenue per Share for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $2.529.
* 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.
Energy Recovery (ERII) has a Median PS Value of $21.22 as of Jun. 24, 2026. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Energy Recovery and its competitors. This is 1698% above median its historical median of 1.18. Over the past decade, Energy Recovery's Median PS Value has ranged from 0.41 to 1.77. According to the industry distribution chart, Energy Recovery ranks #108 out of 1641 companies in the Industrial Products industry, placing it in the top 6.6%.
Is Energy Recovery's Median PS Value too high?
Energy Recovery's current Median PS Value of $21.22 is 1698% above median its 10-year median of 1.18. Over the past 10 years, this metric has ranged from a low of 0.41 to a high of 1.77. The Industrial Products industry median Median PS Value is 1.14. Energy Recovery's value of $21.22 is 1761.4% above this industry median. Based on the distribution chart, Energy Recovery ranks #108 out of 1641 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Energy Recovery has a GF Score™ of 71/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Energy Recovery's Median PS Value compare to ARQ and FTEK?
According to the Industrial Products industry distribution chart, Energy Recovery ranks #108 out of 1641 companies for Median PS Value. This places Energy Recovery in the top 7% of its industry — outperforming the majority of peers. The industry median Median PS Value is 1.14. Energy Recovery's value of $21.22 is 1761.4% above this benchmark. Historically, Energy Recovery's own Median PS Value has ranged from 0.41 to 1.77 over the past decade. While the company's 10-year median is 1.18 vs. the industry median of 1.14, Energy Recovery 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 Median PS Value for an Industrial Products company?
The median Median PS Value among Industrial Products companies is 1.14, based on 1,641 companies in the industry. Companies in the top quartile (top 25%) have a Median PS Value significantly above this median, while those in the bottom quartile fall well below. However, Median PS Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Energy Recovery's current Median PS Value of $21.22 is 1761.4% 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 Median PS Value mean?
A high Median PS Value can signal that a stock is expensive relative to its fundamentals. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Energy Recovery and its competitors. For the Industrial Products industry, the median Median PS Value is 1.14 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Energy Recovery's current Median PS Value is $21.22, which is 1698% above median its own 10-year median of 1.18. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Energy Recovery stock overvalued right now?
Based on GuruFocus' analysis, Energy Recovery (ERII) is currently considered Significantly Undervalued. The stock's GF Value™ is $14.81, compared to a current price of $8.77 — trading 40.8% below its estimated fair value. The current Median PS Value is $21.22, which is 1698% above median its 10-year median of 1.18 and 1761.4% above the Industrial Products industry median of 1.14. Energy Recovery's overall GF Score™ is 71/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Median PS Value calculated?
Median PS Value is calculated from a company's financial statements. For Energy Recovery (ERII), the current Median PS Value is $21.22 as of Jun. 24, 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 Energy Recovery (ERII) Overvalued in 2026?
Based on GuruFocus' analysis, Energy Recovery stock appears to be undervalued.
The current stock price of $8.77 is trading 40.8% below its estimated GF Value™ of $14.81.
GuruFocus considers Energy Recovery to be Significantly Undervalued.
Key valuation signals for ERII:
Median PS Value: $21.22 (1698% above median its 10-year median of 1.18)
GF Value™: $14.81 vs. price of $8.77 (40.8% below fair value)
Industry Position: 1761.4% above the Industrial Products median (#108 of 1641)
No single metric tells the full story. See the ERII stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Energy Recovery Inc designs and manufactures energy-saving technologies. The firm uses its proprietary pressure exchanger technology to help customers in multiple industries improve their operations and lower their emissions. Using its proprietary technology, it offers energy recovery devices, including pressure exchangers, pumps, and turbochargers, mainly used for seawater desalination and wastewater treatment. Additionally, the company is involved in the development of emerging technologies, such as the PX G1300 used in industrial and commercial refrigeration applications. The firm's reportable operating segments are: Water, which generates maximum revenue, and Emerging Technologies. Geographically, it generates maximum revenue from the Middle East, and the rest from other markets.
71GF Score
Get the complete analysis for ERII
Median PS Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ERII has been successfully added to your 
