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

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

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

About Onterris, Inc. (ONT)

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

Onterris, Inc. operates as an environmental services company in the United States, Australia, Canada, and internationally. It operates in two segments: Consulting and Treatment, and Measurement and Analysis. The Consulting and Treatment segment provides environmental consulting, engineering, and implementation services to help clients assess, manage, and mitigate environmental risks across the lifecycle of their operations and projects. It supports environmental assessments, regulatory permitting, toxicology consulting, emergency preparedness, and response and environmental audits and permits; and offers engineering, design, and implementation solutions to treat contaminated water and remediate soil. The Measurement and Analysis segment offers environmental testing and laboratory services. It tests and analyzes air, water, and soil to determine concentrations of contaminants, as well as the toxicological impact of contaminants on flora, fauna, and human health. This segment’s offerings include source and ambient air testing and monitoring, and leak detection, as well as air, soil, stormwater, wastewater, and drinking water analysis. The company was formerly known as Montrose Environmental Group, Inc. and changed its name to Onterris, Inc. in April 2026. Onterris, Inc. was founded in 2012 and is headquartered in North Little Rock, Arkansas.

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Onterris, Inc.’s Stock Price as of Market Close

As of July 31, 2026, 4:00 PM, CST, Onterris, Inc.’s stock price was $20.990.

Onterris, Inc. is up 3.81% from its previous closing price of $20.220.

During the last market session, Onterris, Inc.’s stock traded between $19.770 and $21.080. Currently, there are approximately 36.05 million shares outstanding for Onterris, Inc..

Onterris, Inc.’s price-earnings (P/E) ratio is currently at 167.9, which is high compared to the Commercial Services & Supplies industry median of 24.4. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

Onterris, Inc. Stock Price History

Onterris, Inc.’s (ONT) price is currently up 3.86% so far this month.

During the month of July, Onterris, Inc.’s stock price has reached a high of $22.500 and a low of $18.460.

Over the last year, Onterris, Inc. has hit prices as high as $32.000 and as low as $14.130.

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What Caused Onterris, 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 July 31, 2026, there were 0 analysts who downgraded Onterris, Inc.’s stock and 2 analysts who upgraded over the last month.

Additionally, you'll want to evaluate Onterris, 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 Onterris, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

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

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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 Onterris, Inc. (ONT) by visiting AAII Stock Evaluator.

Relative Price Strength of Onterris, 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 July 31, 2026, Onterris, Inc. has a weighted four-quarter relative price strength of -6.12%, which translates to a Momentum Score of 33 and is considered to be Weak.

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Onterris, Inc. Stock Price: Bottom Line

As of July 31, 2026, Onterris, Inc.’s stock price is $20.990, which is up 3.81% 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 Onterris, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

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