National Grid Transco, PLC Nati (NGG) Fair Value 2026

NGG · Natural Gas Transmission ·

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

Quality Score

7.7 /10

32 fundamental signals · 12 models active

Value Trap Risk

SAFE (10/100)

Quick Summary — As of 2026-07-14, National Grid Transco, PLC Nati (NGG) trades at $83.41, approximately 281% above CirclFi’s Bayesian DCF fair value of $21.87. QOC: 7.7/10. Value Trap Risk: 10/100 (SAFE). 12/13 models active.

Key Facts

Ticker
NGG
Price
$83.41
Quality Score
7.7/10
Value Trap Risk
10/100
Models Active
12/13
Last Updated
Strength: 12 independent models provide multi-angle coverage
Risk: Majority of models suggest overvaluation

Valuation Matrix

12 Intrinsic Value Models vs. Current Price ($83.41)

Core Models (Unlocked)
Model Fair Value Upside
Bayesian DCF
High Conviction
$21.87 -73.8%
Earnings Power Value
High Conviction
$36.59 -56.1%
CUCE Ensemble
Low Conviction
$59.34 -28.9%
First Chicago
High Conviction
$70.71 -15.2%

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What Is National Grid Transco, PLC Nati (NGG) Worth in 2026?

According to the CirclFi Deep Alpha Valuation Engine, National Grid Transco, PLC Nati's intrinsic value is estimated at $72.32. Trading at its current price of $83.41, the valuation engine raises significant caution: 9 of 12 models flag downside risk, projecting an average implied return of -13.3%. Notably, Markov DDM sees the most upside at +161.9% (fair value: $218.44), while Bayesian DCF is the most conservative at -73.8% ($21.87). The spread between these extremes — +235.7% — reveals how different analytical frameworks can reach starkly different conclusions.

What Do the Models Say About NGG?

12 of 13 models are currently active for NGG. Of these, 2 models suggest upside while 10 models suggest overvaluation. The Bayesian DCF estimates NGG's intrinsic value at $21.87, implying -73.8% downside from the current price. See which stocks rank higher →

How Does NGG Rank in Natural Gas Transmission?

Among 18 Natural Gas Transmission stocks, NGG ranks #12 by Quality of Company score. CirclFi's QOC score of 7.7/10 evaluates 32 fundamental signals. A score of 7.7 indicates above-average quality.

National Grid Transco, PLC Nati's positioning within the Natural Gas Transmission segment means that breakeven oil price plays an outsized role in fundamental analysis. The sector's unique characteristics — including basin-level economics — shape both the opportunity set and risk profile.

Is NGG a Value Trap?

CirclFi's Value Trap algorithm assigns NGG a score of 10/100 (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

12 of 13 models are active for National Grid Transco, PLC Nati. Broad coverage provides high confidence. Each model applies a fundamentally different valuation philosophy. See the complete methodology →

According to the CirclFi Deep Alpha Valuation Engine, National Grid Transco, PLC Nati scores 7.7 out of 10 on our 32-signal quality assessment, a strong rating that demonstrates strong fundamentals across the majority of our quality signals. 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.

The gap between the most bullish and bearish model spans +235.7% — demonstrating why single-model analysis is dangerous. Browse all stocks with 13-model coverage →

Data Sources & Confidence

Every NGG 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 NGG's 12 active models, average confidence is 44%. 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 National Grid Transco, PLC Nati Stock in 2026? →

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

Which Similar Natural Gas Transmission Stocks Should You Also Analyze?

8 related Natural Gas Transmission stocks with 13-model coverage

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Frequently Asked Questions About National Grid Transco, PLC Nati

What is National Grid Transco, PLC Nati's intrinsic value in 2026?

Based on CirclFi's 13-model analysis, National Grid Transco, PLC Nati (NGG) has multiple fair value estimates. The Bayesian DCF model runs 10,000 Monte Carlo simulations with jump-diffusion to estimate intrinsic value at $21.87. The Quality of Company score is 7.7/10 across 32 fundamental signals. All models use SEC EDGAR filings updated daily. See our methodology page for how each model works.

Is NGG overvalued or undervalued right now?

At $83.41, 2 of 12 active models suggest NGG may be undervalued, while 10 indicate potential overvaluation. The assessment depends on which methodology best fits National Grid Transco, PLC Nati's business model in Natural Gas Transmission.

What does a Quality of Company score of 7.7 mean for NGG?

National Grid Transco, PLC Nati's QOC of 7.7/10 reflects 32 fundamental signals: profitability margins, revenue growth consistency, balance sheet leverage, free cash flow generation, and capital allocation efficiency. Scores above 7 indicate strong fundamentals and disciplined management.

How many valuation models does CirclFi run on NGG?

CirclFi analyzes NGG 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 12 of 13 are active for this stock. Read the full methodology →

Is NGG a value trap in 2026?

National Grid Transco, PLC Nati's Value Trap score is 10/100 (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 →

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