Quantum-Si incorporated (QSI) Fair Value 2026

QSI · Medical Devices ·

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

Quality Score

5.4 /10

32 fundamental signals · 2 models active

Value Trap Risk

LOW (35/100)

Quick Summary — As of 2026-08-28, Quantum-Si incorporated (QSI) trades at $0.78, versus a $0.35 median fair value across its 2 active models — 54.6% below the current price. QOC: 5.4/10. Value Trap Risk: 35/100 (LOW). 2/13 models active.

Key Facts

Ticker
QSI
Price
$0.78
Quality Score
5.4/10
Value Trap Risk
35/100
Models Active
2/13
Last Updated
Strength: 2 independent models provide multi-angle coverage
Risk: Majority of models suggest overvaluation

Is Quantum-Si incorporated (QSI) Undervalued or Overvalued in 2026?

According to CirclFi’s 2-model valuation engine, Quantum-Si incorporated (QSI) appears overvalued as of : the median of 2 independent fair value estimates is $0.35, 54.6% below the current price of $0.78. Estimates range from $0.12 to $0.59. QSI scores 5.4/10 on fundamental quality and 35/100 on value-trap risk.

For context, the median US equity CirclFi rates trades at an implied -23.4% versus its own 13-model consensus, across 3,809 rated companies as of 2026-08-28. QSI’s -54.6% gap is wider than that market norm, and the Medical Devices sector median is -43.7%. Full market index →

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 Quantum-Si incorporated Stock in 2026? →

What Fair Value Does Each Model Give QSI?

2 Intrinsic Value Models vs. Current Price ($0.78)

Core Models (Unlocked)
Model Fair Value Upside
Intrinsic · High Conviction
 $0.12 -85.0%
Asset-Based · High Conviction
 $0.59 -24.1%

All Models Active

All 2 models are displayed above.

What Is Quantum-Si incorporated (QSI) Worth in 2026?

According to the CirclFi Deep Alpha Valuation Engine, Quantum-Si incorporated's intrinsic value is estimated at $0.35, suggesting the stock is overvalued at its current price of $0.78. With 2 out of 2 models flagging downside (-54.6% vs price), the market may be pricing in unsustainable growth. The most optimistic model, Dynamic NAV, places fair value at $0.59 (-24.1%), while ML-RIV — the most conservative — estimates $0.12 (-85.0%). This +60.9% gap reflects genuine analytical uncertainty about Quantum-Si incorporated's intrinsic worth.

What Do the Models Say About QSI?

2 of 13 models are currently active for QSI. All 2 active models suggest the stock trades above fair value. Taken together, their median fair value for QSI is $0.35 — the figure CirclFi publishes as this stock's fair value. See which stocks rank higher →

How Does QSI Rank in Medical Devices?

Among 159 Medical Devices stocks, QSI ranks #116 by Quality of Company score. CirclFi's QOC score of 5.4/10 evaluates 32 fundamental signals. A score of 5.4 reflects mixed fundamentals.

See all Most Undervalued Medical Devices Stocks →

Within the Medical Devices space, Quantum-Si incorporated competes in an environment where clinical trial success rate often separates market leaders from laggards. Understanding these industry-specific dynamics is essential context for interpreting our model outputs.

Is QSI a Value Trap?

CirclFi's Value Trap algorithm assigns QSI a score of 35/100 (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

2 of 13 models are active for Quantum-Si incorporated. Limited activation may indicate insufficient history. Each model applies a fundamentally different valuation philosophy. See the complete methodology →

According to the CirclFi 32-factor quality framework, Quantum-Si incorporated's fundamental quality profile registers 5.4/10. This mixed score captures the company's profitability depth, growth consistency, balance sheet resilience, and shareholder return track record.

The gap between the most bullish and bearish model spans +60.9% — demonstrating why single-model analysis is dangerous. Browse all stocks with 13-model coverage →

Data Sources & Confidence

Every QSI 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 QSI's 2 active models, average confidence is 52%. Moderate confidence indicates reasonable fit.

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 Quantum-Si incorporated Stock in 2026? →

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

Which Similar Medical Devices Stocks Should You Also Analyze?

11 related Medical Devices stocks with 13-model coverage

INBSIntelligent Bio Solutions Inc.QOC 5.4NUWENuwellis, Inc.QOC 5.3GTHPGuided Therapeutics, Inc.QOC 5.5IRIXIRIDEX CorporationQOC 5.2LUCDLucid Diagnostics Inc.QOC 5.5ELUTElutia Inc.QOC 5.2WOKWORK Medical Technology Group LTDQOC 2.8DCTHDelcath Systems, Inc.QOC 7.4ECORelectroCore, Inc.QOC 6.4IRMDIRADIMED CORPORATIONQOC 9.8PODDInsulet CorporationQOC 9.6

Read investment analysis: INBS · NUWE · GTHP · IRIX · LUCD · ELUT · WOK · DCTH · ECOR · IRMD · PODD

Which Other Stocks Have a Similar Quality Score to QSI?

7 companies across all industries closest to QSI’s Quality of Company score of 5.4/10.

KDKKodiak AI, Inc.QOC 5.4NYCAmerican Strategic Investment Co.QOC 5.4ZIVOZIVO Bioscience, Inc.QOC 5.4PHVSPharvaris N.V.QOC 5.4CORZCore Scientific, Inc.QOC 5.4VSTMVerastem, Inc.QOC 5.4NVDANVIDIA CorporationQOC 10.0

Read investment analysis: KDK · NYC · ZIVO · PHVS · CORZ · VSTM · NVDA

Where Does QSI Sit in CirclFi's Medical Devices Rankings?

QSI is ranked against every other Medical Devices stock CirclFi covers in each of these screens.

See all Medical Devices stocks ranked →

What Else Do Investors Ask About Quantum-Si incorporated’s Valuation?

What is Quantum-Si incorporated's intrinsic value in 2026?

CirclFi puts Quantum-Si incorporated (QSI)'s intrinsic value at $0.35 — the median of 2 independent model estimates as of 2026-08-28, ranging from $0.12 to $0.59. The Quality of Company score is 5.4/10 across 32 fundamental signals. All models use SEC EDGAR filings updated daily. See our methodology page for how each model works.

Is QSI overvalued or undervalued right now?

At $0.78, 0 of 2 active models suggest QSI may be undervalued, while 2 indicate potential overvaluation. The median of all 2 fair value estimates is $0.35, 54.6% below the current price of $0.78 — a consensus view that QSI is overvalued. The assessment depends on which methodology best fits Quantum-Si incorporated's business model in Medical Devices.

What does a Quality of Company score of 5.4 mean for QSI?

Quantum-Si incorporated's QOC of 5.4/10 reflects 32 fundamental signals: profitability margins, revenue growth consistency, balance sheet leverage, free cash flow generation, and capital allocation efficiency. Scores between 5-7 reflect moderate fundamentals with areas for improvement.

How many valuation models does CirclFi run on QSI?

CirclFi analyzes QSI 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 2 of 13 are active for this stock. Read the full methodology →

Is QSI a value trap in 2026?

Quantum-Si incorporated's Value Trap score is 35/100 (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 2-model valuation engine, Quantum-Si incorporated (QSI) has a median fair value of $0.35 — 54.6% below the current price of $0.78 — as of 2026-08-28.” Source: circlfi.com/stock/QSI/ · Methodology
Primary sources for this QSI valuation
  • Financial statements: Quantum-Si incorporated 10-K and 10-Q filings on SEC EDGAR (CIK 0001816431) — 700+ standardized XBRL tags, published by the U.S. Securities and Exchange Commission.
  • Discount-rate inputs: FRED, Federal Reserve Bank of St. Louis — risk-free rates, VIX, yield curve, inflation.
  • News sentiment: The GDELT Project — global media tone, input to the Sentiment SOTP model.
  • Model definitions: CirclFi methodology — the published specification for all 13 models, including the academic sources each one implements.

Market data for QSI as of ; valuations recomputed .