Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Energy Recovery, Inc. before investing.

In this article, we go over a few key elements for understanding Energy Recovery, Inc.’s stock price such as:

• Energy Recovery, Inc.’s current stock price and volume
• Why Energy Recovery, Inc.’s stock price changed recently
• Upgrades and downgrades for ERII from analysts
• ERII’s stock price momentum as measured by its relative strength

About Energy Recovery, Inc. (ERII)

Before we jump into Energy Recovery, Inc.’s stock price, history, target price and what caused it to recently rise, let’s take a look at some background.

Energy Recovery, Inc., together with its subsidiaries, designs, manufactures, and sells energy efficiency technology solutions in the United States, North, South and Latin America, the Middle East, Northern Africa, Asia, and Europe. It operates through Water and Emerging Technologies segments. The company offers high and low pressure, and ultra high-pressure exchangers; AT and LPT hydraulic turbochargers; and high-pressure feed and circulation pumps for use in water treatment industries, including seawater and brackish desalination, and wastewater treatment. It also provides PX G1300, which reduces energy consumption and operating costs of carbon dioxide-based refrigeration systems; and spare parts, as well as repair, field, and commissioning services. The company sells its products under the ERI, PX, PX Pressure Exchanger, Pressure Exchanger, Ultra High-Pressure PX, PX G1300, PX PowerTrain, PX G, AT, and Aquabold brands to supermarket chains, cold storage facilities, refrigeration system installers or OEMs, and other industrial users; and aftermarket customers consisting of desalination plant owners and operators. Energy Recovery, Inc. was incorporated in 1992 and is headquartered in San Leandro, California.

Want to learn more about Energy Recovery, Inc.’s stock? Click the button below to subscribe to A+ Investor and get access to everything you need to know about Energy Recovery, Inc..

Energy Recovery, Inc.’s Stock Price as of Market Close

As of June 17, 2026, 4:00 PM, CST, Energy Recovery, Inc.’s stock price was $8.990.

Energy Recovery, Inc. is up 4.78% from its previous closing price of $8.580.

During the last market session, Energy Recovery, Inc.’s stock traded between $8.570 and $9.670. Currently, there are approximately 52.66 million shares outstanding for Energy Recovery, Inc..

Energy Recovery, Inc.’s price-earnings (P/E) ratio is currently at 22.4, which is low compared to the Machinery industry median of 28.7. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

Energy Recovery, Inc. Stock Price History

Energy Recovery, Inc.’s (ERII) price is currently up 10.04% so far this month.

During the month of June, Energy Recovery, Inc.’s stock price has reached a high of $9.670 and a low of $7.830.

Over the last year, Energy Recovery, Inc. has hit prices as high as $18.320 and as low as $7.830. Year to date, Energy Recovery, Inc.’s stock is down 33.36%.

Sign Up to Receive a Free Special Report Showing How A+ Grades Can Help You Make Smarter Investment Decisions

What Caused Energy Recovery, Inc. Stock’s Price to Rise?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of June 16, 2026, there was 1 analyst who downgraded Energy Recovery, Inc.’s stock and 0 analysts who upgraded over the last month.

Additionally, you'll want to evaluate Energy Recovery, Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on Energy Recovery, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Energy Recovery, Inc.’s current valuation based on AAII’s Value Grade is a C, which means it is considered to be Average.

Learn how to evaluate stocks with AAII Grades and Scores with A+ Investor today.

Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about Energy Recovery, Inc. (ERII) by visiting AAII Stock Evaluator.

Relative Price Strength of Energy Recovery, Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of June 16, 2026, Energy Recovery, Inc. has a weighted four-quarter relative price strength of -14.70%, which translates to a Momentum Score of 17 and is considered to be Very Weak.

Want to learn more about how Energy Recovery, Inc. is graded based on AAII’s composite scores for value, growth, quality and earnings estimate revisions? Subscribe to A+ Investor today.

Energy Recovery, Inc. Stock Price: Bottom Line

As of June 17, 2026, Energy Recovery, Inc.’s stock price is $8.990, which is up 4.78% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like Energy Recovery, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

Subscribing to AAII's A+ Investor provides access to comprehensive analytics and insights for confident investing.