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Last updated : 23/09/2026 - 15h20
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Nanobiotix stock among the strongest gainers of the SBF 120, -18% over one month

The Parisian biotech company specializing in nanomedicine oncology is posting one of the best performances on the French stock exchange this Wednesday, while the SBF 120 is declining slightly. This rebound occurs in a technical context still under pressure, with the stock remaining below its two main short-term moving averages following a particularly difficult September.


Nanobiotix stock among the strongest gainers of the SBF 120, -18% over one month

A 3% rebound that propels Nanobiotix among the strongest gainers of the SBF 120

Nanobiotix gains 3.18% during the session, at €31.16, while the SBF 120 loses 0.31%. This recovery places the stock among the strongest gainers of the SBF 120. The increase is set against a slightly positive weekly backdrop (+3.32% over seven days), which contrasts with the monthly performance, weighed down by a decline of 18.09% over one month.

The year-on-year performance remains nonetheless striking: +179.7%, testament to the spectacular trajectory followed since the agreement reached with Johnson & Johnson around the radiosensitizer NBTXR3. Across all markets, the session is calm, with the VIX falling back to 14.32, at its lowest level in several days.

A stock still below its short-term moving averages, the support at €29.66 remains the benchmark to hold

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Despite this rebound, the chart configuration of Nanobiotix remains delicate. The price at €31.16 is trading below the MA20 at €32.65 (gap of 4.56%) and below the MA50 at €33.63 (gap of 7.34%), two references that have capped the stock since the support breakdown observed on September 16. Only the MA200, at €28.35, remains above the support level at €29.66 and below the current price, constituting a mobile floor that the stock had touched during recent pullback episodes.

The RSI at 40 is in neutral territory, with no marked oversold signal following the month's correction. The resistance to break through in order to overturn the short-term downward momentum is located at €38.60, representing a gap of nearly 24% compared to the current price. The support at €29.66 represents the zone to defend to avoid a return toward the MA200 levels.



Sector Pharmacie et biotechnologies Biotechnologies


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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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