Deep Fission, Inc. (FISN) Fair Value 2026

FISN · Specialty Industrial Machinery ·

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

Quality Score

4.7 /10

32 fundamental signals · 1 models active

Value Trap Risk

SAFE (21/100)

Quick Summary — As of 2026-08-27, Deep Fission, Inc. (FISN) trades at $6.93. QOC: 4.7/10. Value Trap Risk: 21/100 (SAFE). 1/13 models active.

Key Facts

Ticker
FISN
Price
$6.93
Quality Score
4.7/10
Value Trap Risk
21/100
Models Active
1/13
Last Updated
Strength: 1 independent models provide multi-angle coverage
Risk: Below-average Quality Score of 4.7/10 signals weak fundamentals

What Fair Value Does Each Model Give FISN?

1 Intrinsic Value Models vs. Current Price ($6.93)

Core Models (Unlocked)
Model Fair Value Upside
Asset-Based · Medium Conviction
$1.63 -76.5%

All Models Active

All 1 models are displayed above.

What Is Deep Fission, Inc. (FISN) Worth in 2026?

According to the CirclFi Deep Alpha Valuation Engine, Deep Fission, Inc.'s intrinsic value is estimated at $1.63. Trading at its current price of $6.93, the valuation engine raises significant caution: 1 of 1 models flag downside risk, projecting a median implied return of -76.5%.

What Do the Models Say About FISN?

1 of 13 models are currently active for FISN. All 1 active models suggest the stock trades above fair value. See which stocks rank higher →

How Does FISN Rank in Specialty Industrial Machinery?

Among 84 Specialty Industrial Machinery stocks, FISN ranks #67 by Quality of Company score. CirclFi's QOC score of 4.7/10 evaluates 32 fundamental signals. A score of 4.7 reflects mixed fundamentals.

See all Most Undervalued Specialty Industrial Machinery Stocks →

The Specialty Industrial Machinery sector introduces analytical considerations specific to manufacturing company businesses. For Deep Fission, Inc., metrics like capacity utilization rate provide important context that general-purpose valuation models may underweight.

Is FISN a Value Trap?

CirclFi's Value Trap algorithm assigns FISN a score of 21/100 (SAFE). This indicates minimal risk. Fundamentals are healthy. The score cross-references apparent undervaluation against fundamental deterioration signals. Browse lowest value-trap stocks →

Multi-Model Methodology

1 of 13 models are active for Deep Fission, Inc.. Limited activation may indicate insufficient history. Each model applies a fundamentally different valuation philosophy. See the complete methodology →

According to the CirclFi Deep Alpha Valuation Engine, Deep Fission, Inc. scores 4.7 out of 10 on our 32-signal quality assessment, a moderate rating that shows mixed signals across our quality framework with notable weaknesses. The QOC score synthesizes profitability margins, revenue growth reliability, debt management, and capital allocation into a single metric designed to separate durable businesses from statistically cheap ones.

CirclFi runs 13 independent models for each stock. Browse all stocks with 13-model coverage →

Data Sources & Confidence

Every FISN 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 FISN's 1 active models, average confidence is 50%. 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 Deep Fission, Inc. Stock in 2026? →

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

Which Similar Specialty Industrial Machinery Stocks Should You Also Analyze?

11 related Specialty Industrial Machinery stocks with 13-model coverage

Read investment analysis: HYOR · SPPL · OPTT · SHMD · INIO · GFUZ · MWA · SXI · LXFR · EPAC · WTS

Which Other Stocks Have a Similar Quality Score to FISN?

7 companies across all industries closest to FISN’s Quality of Company score of 4.7/10.

Read investment analysis: CPKF · ESGH · EVEX · CLRB · PICS · MSPR · NVDA

Where Does FISN Sit in CirclFi's Specialty Industrial Machinery Rankings?

FISN is ranked against every other Specialty Industrial Machinery stock CirclFi covers in each of these screens.

See all Specialty Industrial Machinery stocks ranked →

What Else Do Investors Ask About Deep Fission, Inc.’s Valuation?

What is Deep Fission, Inc.'s intrinsic value in 2026?

CirclFi does not yet have enough active models to publish a median fair value for Deep Fission, Inc. (FISN). The Quality of Company score is 4.7/10 across 32 fundamental signals. All models use SEC EDGAR filings updated daily. See our methodology page for how each model works.

Is FISN overvalued or undervalued right now?

At $6.93, 0 of 1 active models suggest FISN may be undervalued, while 1 indicate potential overvaluation. The assessment depends on which methodology best fits Deep Fission, Inc.'s business model in Specialty Industrial Machinery.

What does a Quality of Company score of 4.7 mean for FISN?

Deep Fission, Inc.'s QOC of 4.7/10 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 FISN?

CirclFi analyzes FISN 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 1 of 13 are active for this stock. Read the full methodology →

Is FISN a value trap in 2026?

Deep Fission, Inc.'s Value Trap score is 21/100 (SAFE). 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 — “CirclFi assigns Deep Fission, Inc. (FISN) a Quality of Company score of 4.7/10 across 32 fundamental signals as of 2026-08-27.” Source: circlfi.com/stock/FISN/ · Methodology
Primary sources for this FISN valuation
  • Financial statements: Deep Fission, Inc. 10-K and 10-Q filings on SEC EDGAR (CIK 0001918102) — 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 FISN as of ; valuations recomputed .