Stock Analysis
National Grid PLCNGG
Sector: Utilities
AnalystsBuy23 analystsPrice is 38% of the way from the year's low to its high.
PMP Verdict
Insufficient financial data
No financial statements on file for this ticker — fundamental scores are not computed.
Market context
+2.7% today· Z 2.8σ· RVOL 1.9×· National Grid surged 2.62% following its $1.75 billion investment announcement targeting US data center power demand.
Why is NGG moving?
M&ANational Grid surged 2.62% following its $1.75 billion investment announcement targeting US data center power demand.
About National Grid PLC
National Grid owns and operates the electric transmission system in England and Wales. Show more
It sold the bulk of its UK gas transmission business in fiscal 2023 to fund the acquisition of PPL's UK power distribution assets. In the Northeastern United States, it serves electricity and gas customers combined in three states. It also owns regulated transmission electricity networks in the United States, metering services and merchant transmission lines in the UK.
Employees: 31,645 · Website ↗
Price History
Weekly Candlestick Chart — up to 5Y
Key Metrics
Financial snapshot · Tap any metric for its definition and grade
Valuation
50CP/E (TTM)—
Price / TTM EPS (own statements)
P/FCF805.3xD
Grade D: ExpensivePrice / Free Cash Flow per share (Finnhub). Inverse of FCF yield — negative when FCF is negative
FCF Yield0.1%C
Grade C: LowInverse of Finnhub P/FCF (own TTM FCF unavailable)
P/S (TTM)4.61xB
Grade B: FairPrice / TTM Revenue (own statements)
EV/EBITDA13.8xB
Grade B: FairEnterprise value / EBITDA (Finnhub) — capital-structure neutral
EV/Sales8.2xC
Grade C: ExpensiveEnterprise Value / TTM Revenue (Finnhub) — capital-structure neutral sales multiple
Forward P/E12.1xA
Grade A: CheapPrice / next-year EPS estimate — shows whether the TTM multiple is rich or just front-loading growth
P/B Ratio1.61xA
Grade A: FairPrice to Book Value. Neg. equity = heavy buybacks
PEG Ratio1.45B
Grade B: FairFinnhub PEG — their P/E basis ÷ expected EPS growth. Suppressed when their P/E diverges >2× from our TTM P/E (different basis)
Dividend Yield2.72%A
Grade A: PaysTTM dividend yield (Finnhub) — annual dividends / price. None = no dividend; very high yield can signal distress
Payout Ratio50.1%A
Grade A: SafeDividends / Net Income (Finnhub) — share of earnings paid out; >90% or negative = unsustainable
Profitability
50CROIC—
NOPAT (EBIT less ~21% tax) / invested capital (equity + debt − cash). Flagship quality metric — durable >15% signals a moat
ROE8.5%D
Grade D: WeakReturn on Equity. Neg. equity = heavy buybacks
ROA3.1%D
Grade D: WeakReturn on Assets (Finnhub) — Net Income / Total Assets; how efficiently assets produce profit
Net Margin25.1%A
Grade A: HighNet Income / Revenue
Operating Margin—
TTM EBIT / TTM Revenue
Gross Margin—
Gross Profit / Revenue
FCF Margin—
FCF / Revenue
True FCF Margin—
TTM (OCF − CapEx − SBC) / TTM Revenue — SBC treated as a real cost
Growth
0ERevenue CAGR—
Compound annual revenue growth (up to 5Y depending on data availability)
Net Income CAGR—
Compound annual net income growth (up to 5Y depending on data availability)
EPS CAGR (5Y)—
Compound annual EPS growth over up to 5Y of per-share earnings (own statements). Null when either endpoint EPS ≤ 0
Implied EPS Growth—
Analyst forward EPS (normalized basis) vs our GAAP TTM EPS — different bases, so extreme values usually mark cyclically depressed TTM earnings, not real growth
Dilution (5Y)—
Share count change over 5Y
SBC / Net Income—
Stock-based comp/Net income. >30% = dilution risk
SBC / Revenue—
TTM stock-based comp / TTM Revenue
Financial Health
16EAltman Z-Score—
Bankruptcy risk. >3 Safe, <1.8 Distress
Current Ratio0.76xD
Grade D: LowCurrent Assets/Liabilities
Quick Ratio0.71xC
Grade C: Ok(Current Assets − Inventory) / Current Liabilities (Finnhub) — stricter liquidity test, excludes inventory
Interest Coverage4.4xC
Grade C: OkEBIT/Interest. >10 Strong
Debt Repayment—
Years to repay net debt via FCF
Net Debt/EBIT—
Leverage. <2x Low, >4x High
Debt/Equity1.19xC
Grade C: MedDebt / Equity: <1 Conservative, >2 Risky. Not meaningful with non-positive equity; shown as unavailable rather than low debt.
Cash / Debt—
Cash covers how much of total debt. >1 = could repay all debt from cash
Quality
0EPiotroski F-Score—
Financial strength 0–9. >7 Strong
Beneish M-Score—
Earnings manipulation risk. < -2.22 Safe
FCF Conversion—
FCF / Net Income
Margin Stability—
EBIT margin std deviation. Lower = stable
Capex / Revenue—
TTM CapEx / TTM Revenue — high % = capital-hungry business
Asset Turnover0.12xD
Grade D: LowRevenue / Total Assets (Finnhub) — how efficiently the asset base generates sales
More metrics — Moat, Per Share, Balance Sheet, MarketHide additional metrics
Moat
0EROIC >12% Years—
Share of completed fiscal years with ROIC > 12% — measures multi-year capital-return durability
Gross Margin (Med.)—
Median annual gross margin across available fiscal years — pricing-power durability
FCF-Positive Years—
Share of completed fiscal years with positive free cash flow
Net Margin Floor—
Weakest annual net margin across completed fiscal years — recession/downcycle resilience
Per Share
EPS (TTM)—
TTM net income per share (Finnhub fallback)
Cash / Share$0.57
Cash & short-term investments per share (Finnhub)
Book Value / Share$7.90
Shareholders' equity per share (Finnhub). Negative = accumulated losses / heavy buybacks
Balance Sheet
Total Debt—
Total debt obligations (short + long term)
Cash & Equiv.—
Cash and short-term investments
Net Debt—
Total Debt minus Cash. Negative = Net Cash position
Total Equity—
Shareholders' equity (book value)
Asset / Liability—
Total Assets / Total Liabilities
Market
Market Cap$81.66B
Current Market Capitalization
Beta1.00B
Grade B: MarketPrice sensitivity vs the market (Finnhub) — 1.0 moves with market, >1.2 amplifies swings
How grades work: each metric is graded A–D against fixed thresholds (tap a row for the meaning). Card grades map the pillar score to A+–E — a card grade is that pillar's own score, not an average of the rows shown.
Ratio snapshot Oct 17, 2026
Key Insights: National Grid PLC (NGG)
NGG is up 2.72% at the last close — National Grid surged 2.62% following its $1.75 billion investment announcement targeting US data center power demand..
- The stock currently yields 2.7% in dividends.
See how NGG ranks on the Capex Tracker — top 50 capital spenders compared.
Recent Market Moves
See all NGG moves →| Date | Session | Price | Move | Z-Score |
|---|---|---|---|---|
| Oct 16 | Regular | 81.11 | +2.58% | 2.67 |
| Oct 16 | After-hours | 81.22 | +2.72% | 2.82 |
| Sep 30 | Pre-market | 76.47 | +2.04% | 2.16 |
| Sep 17 | Regular | 77.55 | +2.00% | 2.46 |
| Sep 17 | After-hours | 77.60 | +2.06% | 2.53 |
Frequently Asked Questions about NGG
What is the current National Grid PLC (NGG) stock price?
NGG is trading at $81.22 at the last market close, up 2.72% on the session. PreMarketPrice tracks NGG pre-market, intraday and after-hours prices.
Is NGG stock a buy right now?
PreMarketPrice's quantitative model rates National Grid PLC's financial health at 16/100. This is a data-driven snapshot of fundamentals, not investment advice.
Is NGG stock overvalued?
National Grid PLC trades at a trailing P/E of n/a and our valuation score rates it 50/100 (higher = cheaper vs. its own history). See the Valuation History and Key Metrics sections for forward P/E, EV/EBITDA and PEG context.
When does National Grid PLC report earnings?
No confirmed earnings date is currently scheduled for NGG. The Earnings section lists recent reports and updates as dates are announced.
What sector does National Grid PLC operate in?
National Grid PLC operates in the Utilities sector. The Related Stocks section lists sector peers for comparison.
What does National Grid PLC do?
National Grid owns and operates the electric transmission system in England and Wales.
About National Grid PLC (NGG) Stock
National Grid PLC (NGG) is a US-listed stock operating in the Utilities sector. As of the latest update, National Grid PLC is trading at $81.22, up 2.72% on the day with a market capitalization of $81.7 billion. The financial health score for NGG is 16/100, which indicates poor financial strength based on profitability, leverage, liquidity, and growth metrics. This page provides real-time pre-market pricing, earnings calendar, financial health analysis, and valuation metrics for NGG stock.
NGG Stock Analysis & Key Metrics
On PreMarketPrice, you can track National Grid PLC (NGG) across multiple dimensions:
- Pre-market price & movement: Real-time NGG stock price with percentage change, updated continuously during pre-market and regular trading hours.
- Valuation & P/E history: Historical P/E, P/S, and P/B ratios for NGG with trend analysis and normalized valuation multiples.
- Financial statements: Revenue, net income, assets, liabilities, and equity for National Grid PLC across multiple reporting periods.
- Financial health score: A composite score of 16/100 based on Altman Z-Score, Piotroski F-Score, profitability, and leverage metrics for NGG.
- Sector peers: Compare NGG against 2 other utilities stocks on key financial metrics.
Is NGG a Good Stock to Buy?
This page provides data-driven analysis to help you evaluate National Grid PLC (NGG) as an investment. The financial health score of 16/100 suggests poor financial fundamentals. Valuation metrics show whether the stock is trading above or below its historical average.However, this is not financial advice — always do your own research before investing.
Data on this page is sourced from real-time market feeds, Polygon.io, and Finnhub.National Grid PLC (NGG) trades on NYSE/NASDAQ. Pre-market trading occurs 4:00 AM – 9:30 AM ET. Regular market hours are 9:30 AM – 4:00 PM ET.