Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Nanobiotix S.A. before investing.

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

• Nanobiotix S.A.’s current stock price and volume
• Why Nanobiotix S.A.’s stock price changed recently
• Upgrades and downgrades for NBTX from analysts
• NBTX’s stock price momentum as measured by its relative strength

About Nanobiotix S.A. (NBTX)

Before we jump into Nanobiotix S.A.’s stock price, history, target price and what caused it to recently dip, let’s take a look at some background.

Nanobiotix S.A. operates as a clinical-stage biotechnology that focuses on developing product candidates for the treatment of cancer and other unmet medical needs. Its lead product candidate is NBTXR3, a sterile aqueous suspension of crystalline hafnium oxide nanoparticles used for the treatment of soft tissue sarcoma, head and neck, liver, prostate, pancreatic, esophageal, rectal, and non-small cell lung cancer. The company has a partnership with Lian Oncology Limited to develop and commercialize NBTXR3 in China, South Korea, Singapore, and Thailand. Nanobiotix S.A. was incorporated in 2003 and is based in Paris, France.

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Nanobiotix S.A.’s Stock Price as of Market Close

As of July 31, 2026, 4:00 PM, CST, Nanobiotix S.A.’s stock price was $38.385.

Nanobiotix S.A. is down 4.41% from its previous closing price of $40.155.

During the last market session, Nanobiotix S.A.’s stock traded between $38.010 and $40.070. Currently, there are approximately 56.62 million shares outstanding for Nanobiotix S.A..

Nanobiotix S.A.’s trailing earnings per share are negative, so the stock does not have a meaningful P/E ratio. We suggest investors evaluate other financial metrics to understand its overall valuation.

Nanobiotix S.A. Stock Price History

Nanobiotix S.A.’s (NBTX) price is currently up 1.82% so far this month.

During the month of July, Nanobiotix S.A.’s stock price has reached a high of $42.920 and a low of $35.000.

Over the last year, Nanobiotix S.A. has hit prices as high as $57.140 and as low as $6.090. Year to date, Nanobiotix S.A.’s stock is up 66.03%.

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What Caused Nanobiotix S.A. Stock’s Price to Dip?

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 analysts who downgraded Nanobiotix S.A.’s stock and analysts who upgraded over the last month.

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

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 Nanobiotix S.A. (NBTX) by visiting AAII Stock Evaluator.

Relative Price Strength of Nanobiotix S.A.

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, Nanobiotix S.A. has a weighted four-quarter relative price strength of 45.39%, which translates to a Momentum Score of 98 and is considered to be Very Strong.

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Nanobiotix S.A. Stock Price: Bottom Line

As of July 31, 2026, Nanobiotix S.A.’s stock price is $38.385, which is down 4.41% 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 Nanobiotix S.A. 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.