Nanobiotix S.A. (NBTX) Fair Value 2026

NBTX · Pharmaceutical Preparations ·

By CirclFi Research Team · Data from SEC EDGAR, FRED & GDELT

Quality Score

3.4 /10

32 fundamental signals · 7 models active

Value Trap Risk

LOW (30/100)

Quick Summary — As of 2026-07-15, Nanobiotix S.A. (NBTX) trades at $39.96, approximately 375% above CirclFi’s Bayesian DCF fair value of $8.42. QOC: 3.4/10. Value Trap Risk: 30/100 (LOW). 7/13 models active.

Key Facts

Ticker
NBTX
Price
$39.96
Quality Score
3.4/10
Value Trap Risk
30/100
Models Active
7/13
Last Updated
Strength: 7 independent models provide multi-angle coverage
Risk: Below-average Quality Score of 3.4/10 signals weak fundamentals

Is Nanobiotix S.A. (NBTX) Undervalued or Overvalued in 2026?

According to CirclFi’s 7-model valuation engine, Nanobiotix S.A. (NBTX) appears overvalued as of : the median of 7 independent fair value estimates is $8.42, 78.9% below the current price of $39.96. Estimates range from $0.45 to $41.66. NBTX scores 3.4/10 on fundamental quality and 30/100 on value-trap risk.

This verdict compares price to intrinsic value only — it is not a buy or sell rating. For the decision case (bull vs bear arguments, risk factors, peers), read Should You Buy Nanobiotix S.A. Stock in 2026? →

Valuation Matrix

7 Intrinsic Value Models vs. Current Price ($39.96)

Core Models (Unlocked)
Model Fair Value Upside
Bayesian DCF
Low Conviction
$8.42 -78.9%
CUCE Ensemble
Low Conviction
$22.86 -42.8%
First Chicago
Low Conviction
$0.45 -98.9%

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What Is Nanobiotix S.A. (NBTX) Worth in 2026?

According to the CirclFi Deep Alpha Valuation Engine, Nanobiotix S.A.'s intrinsic value is estimated at $16.47. Trading at its current price of $39.96, the valuation engine raises significant caution: 6 of 7 models flag downside risk, projecting an average implied return of -58.8%. Notably, Sentiment SOTP sees the most upside at +4.3% (fair value: $41.66), while First Chicago is the most conservative at -98.9% ($0.45). The spread between these extremes — +103.1% — reveals how different analytical frameworks can reach starkly different conclusions.

What Do the Models Say About NBTX?

7 of 13 models are currently active for NBTX. Of these, 1 model suggests upside while 6 models suggest overvaluation. The Bayesian DCF estimates NBTX's intrinsic value at $8.42, implying -78.9% downside from the current price. See which stocks rank higher →

How Does NBTX Rank in Pharmaceutical Preparations?

Among 431 Pharmaceutical Preparations stocks, NBTX ranks #378 by Quality of Company score. CirclFi's QOC score of 3.4/10 evaluates 32 fundamental signals. A score of 3.4 signals below-average fundamentals.

See all Most Undervalued Pharmaceutical Preparations Stocks →

Nanobiotix S.A.'s positioning within the Pharmaceutical Preparations segment means that pipeline depth and stage distribution plays an outsized role in fundamental analysis. The sector's unique characteristics — including therapeutic area leadership — shape both the opportunity set and risk profile.

Is NBTX a Value Trap?

CirclFi's Value Trap algorithm assigns NBTX a score of 30/100 (LOW). This indicates low risk. The financial profile does not exhibit typical value trap warning signs. The score cross-references apparent undervaluation against fundamental deterioration signals. Browse lowest value-trap stocks →

Multi-Model Methodology

7 of 13 models are active for Nanobiotix S.A.. Moderate coverage provides meaningful perspective. Each model applies a fundamentally different valuation philosophy. See the complete methodology →

According to the CirclFi Quality of Company (QOC) framework, Nanobiotix S.A. earns a quality score of 3.4/10. This concerning rating reflects the company's standing across 32 fundamental signals spanning profitability, growth consistency, balance sheet strength, and capital allocation efficiency.

The gap between the most bullish and bearish model spans +103.1% — demonstrating why single-model analysis is dangerous. Browse all stocks with 13-model coverage →

Data Sources & Confidence

Every NBTX valuation is built from SEC EDGAR XBRL filings — 700+ standardized financial tags. Macroeconomic context from FRED calibrates discount rates, while GDELT news sentiment feeds into our Sentiment SOTP model. All pipelines run daily. Read the complete data methodology →

Across NBTX's 7 active models, average confidence is 14%. Lower confidence may reflect limited history or high volatility.

CirclFi's output is a research starting point, not a buy/sell signal. All data updates daily. Read the full methodology →

This analysis is produced by the CirclFi Valuation Engine using quantitative models applied to SEC EDGAR filings, public market feeds, and FRED macroeconomic indicators. It is not financial advice.

Read the full investment analysis: Should You Buy Nanobiotix S.A. Stock in 2026? →

Bull case, bear case, risk factors & peer comparison — updated daily

Which Similar Pharmaceutical Preparations Stocks Should You Also Analyze?

8 related Pharmaceutical Preparations stocks with 13-model coverage

Read investment analysis: AZN · CPRX · HRMY · NVO · SIGA

See all Pharmaceutical Preparations stocks ranked →

Frequently Asked Questions About Nanobiotix S.A.

What is Nanobiotix S.A.'s intrinsic value in 2026?

Based on CirclFi's 13-model analysis, Nanobiotix S.A. (NBTX) has multiple fair value estimates. The Bayesian DCF model runs 10,000 Monte Carlo simulations with jump-diffusion to estimate intrinsic value at $8.42. The Quality of Company score is 3.4/10 across 32 fundamental signals. All models use SEC EDGAR filings updated daily. See our methodology page for how each model works.

Is NBTX overvalued or undervalued right now?

At $39.96, 1 of 7 active models suggest NBTX may be undervalued, while 6 indicate potential overvaluation. The median of all 7 fair value estimates is $8.42, 78.9% below the current price of $39.96 — a consensus view that NBTX is overvalued. The assessment depends on which methodology best fits Nanobiotix S.A.'s business model in Pharmaceutical Preparations.

What does a Quality of Company score of 3.4 mean for NBTX?

Nanobiotix S.A.'s QOC of 3.4/10 reflects 32 fundamental signals: profitability margins, revenue growth consistency, balance sheet leverage, free cash flow generation, and capital allocation efficiency. Scores below 5 flag potential fundamental weaknesses requiring careful analysis.

How many valuation models does CirclFi run on NBTX?

CirclFi analyzes NBTX with 13 institutional-grade models daily: Bayesian DCF (Monte Carlo + jump-diffusion), EPV (Greenwald zero-growth), EROIC Spread (McKinsey reinvestment), First Chicago (3-scenario), Markov DDM (regime-switching), ML-RIV (machine learning residual income), Dynamic NAV (asset-based), PWERM (option-theoretic), Regime Cross-Sectional (relative), Sentiment SOTP (hybrid), CUCE Ensemble (meta-model), FTNN Topology (neural network), and RCMH-DCF (conditional regime). Currently 7 of 13 are active for this stock. Read the full methodology →

Is NBTX a value trap in 2026?

Nanobiotix S.A.'s Value Trap score is 30/100 (LOW). This low score indicates the current valuation is not artificially depressed by fundamental deterioration, suggesting genuine opportunity rather than a trap. Browse stocks by value-trap risk →

Cite this analysis — “According to CirclFi’s 7-model valuation engine, Nanobiotix S.A. (NBTX) has a median fair value of $8.42 — 78.9% below the current price of $39.96 — as of 2026-07-15.” Source: circlfi.com/stock/NBTX/ · Methodology

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