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Last updated : 24/04/2026 - 17h35 (last close)
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Nanobiotix Stock: 7.53% Decline at Close After a Challenging Week with a 17.18% Drop

The biotechnology company's stock ended the session on Tuesday, October 21 at €20.25, down 7.53% from the previous close of €21.90. This correction occurred in an otherwise favorable stock market environment, with the CAC 40 up 0.64% over the same period. Trading volumes remained contained, with 0.91% of the capital changing hands during the day.


Nanobiotix Stock: 7.53% Decline at Close After a Challenging Week with a 17.18% Drop

Significant Selling Movement in French Biotech Stock

The session was marked by a significant selling movement in the value of the French biotech. At €20.25, the price now shows a weekly decline of 17.18%, indicating significant volatility in the recent period. However, this correction is part of a remarkable stock market journey over the medium and long term: the stock has risen 346.5% over three months and 352% over a year, compared to an 8.48% increase in the CAC 40 over the latter period. The capital turnover observed today, at 0.91%, reflects moderate investor activity. The stock is trading within a range between a technical support identified at €7.88 and a resistance at €24.45. The biotech's value is thus near this resistance zone, after experiencing a rapid rise since the beginning of the year.

High Volatility in the Stock

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The stock's volatility remains high, with a one-month indicator at 31.15. The beta coefficient of -0.09 also indicates a low correlation with overall market movements, a characteristic profile of biotechnology stocks with a strong speculative component.

Technical Analysis Perspective

From a technical analysis standpoint, the stock is significantly above its reference moving averages. The 50-day moving average is at €12.31, while the 200-day average is at €5.89, highlighting the underlying bullish dynamics despite recent corrections. The Relative Strength Index (RSI) reaches 67, a zone that indicates some overheating of the stock without yet signaling a characterized overbought situation. The Bollinger Bands frame the price between €10.11 and €27.52, with the stock trading in the middle part of this range. The MACD shows a slightly positive setup, with a signal line at 3.42 and a MACD line at 3.45, creating a histogram of 0.03. The Chaikin Money Flow is at 0.27, suggesting positive monetary flows despite the day's decline. The Average True Range (ATR) of 1.07 reflects the amplitude of daily variations in the stock.



Sector Santé · Biotechnologies · Pharmacie Biotechnologie


Assurance vie

The information presented in this article is provided for informational purposes only and does not constitute an investment recommendation, an incentive to buy or sell a financial asset, or investment advice. Readers are invited to conduct their own research before making any decision.

Investments in the stock market involve risks, including the risk of capital loss. Past performance of an asset or market is no guarantee of future results. Any investment decision should be made taking into account your personal financial situation, objectives and risk tolerance.

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