National Grid PLC (NMKCP) stock
NMKCPOTCNatural Gas TransmissionFiscal year ends March 31Also trades as NEWEN, NGG, NGGTF, NMKBP, NMPWP
$59.75+0.00 (0.00%)
Close on Oct 19, 2026Market cap $62.13BP/E 13.7Yield –
National Grid statistics
86 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.
Important dates
- Next earnings
- –
- Last ex-dividend date
- Sep 16, 2026
- Fundamentals through
- Mar 31, 2026
- Share price as of
- –
Valuation ratiosIndustry
- P/TBV Ratio
- 2.51
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Enterprise valuationIndustry
- EV / Sales
- 6.31
- –
- EV / EBIT
- 20.56
- –
Share statisticsIndustry
- Shares Change (YoY)
- 5.12%
- –
- Float
- 5.20B
- –
- Shares Held by Insiders
- 0.00%
- –
- Shares Held by Institutions
- 1.25%
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Short sellingIndustry
- Short Interest
- 1M
- –
- Short Interest Change
- -22.6%
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- Days to Cover
- 1.13
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Stock price statisticsIndustry
- Price Change (1 Week)
- 2.55%
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- Price Change (1 Month)
- 11.4%
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- Price Change (3 Months)
- 5.12%
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- Price Change (6 Months)
- -5.12%
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- Price Change (YTD)
- 8.53%
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- Price Change (1 Year)
- 11.1%
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- Price Change (3 Years)
- 39.6%
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- Price Change (5 Years)
- 31.0%
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- Price Change (10 Years)
- 28.3%
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- Average Volume (10 Days)
- 771,232
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- Average Volume (20 Days)
- 829,339
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- Average Volume (90 Days)
- 858,380
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- Relative Volume
- 0.76
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- Relative Strength Index (14)
- 68.5
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- Volatility (1 Year)
- 22.1%
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- Beta (5 Years)
- 0.40
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MarginsIndustry
- Pretax Margin
- 23.6%
- –
- EBITDA Margin
- 30.7%
- –
Returns on capitalIndustry
- Return on Equity (ROE)
- 8.41%
- –
- Return on Assets (ROA)
- 3.01%
- –
- Return on Invested Capital (ROIC)
- 4.96%
- –
- Return on Capital Employed (ROCE)
- 5.51%
- –
Financial positionIndustry
- Current Ratio
- 0.76
- –
- Quick Ratio
- 0.43
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- Debt / Equity
- 1.19
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- Debt / EBITDA
- 8.61
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- Net Debt / EBITDA
- 8.54
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- Interest Coverage
- 3.19
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GrowthIndustry
- Revenue Growth (YoY)
- -3.76%
- –
- Net Income Growth (YoY)
- 11.7%
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- EPS Growth (YoY)
- 6.19%
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- Revenue Growth (3Y CAGR)
- -6.53%
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- Revenue Growth (5Y CAGR)
- 5.30%
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- EPS Growth (3Y CAGR)
- -30.7%
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- EPS Growth (5Y CAGR)
- 7.09%
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EfficiencyIndustry
- Asset Turnover
- 0.16
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- Revenue Per Employee
- £535.69K
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- Profits Per Employee
- £98.16K
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- Employee Count
- 33,017
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- WACC
- 5.97%
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Income statement (TTM)Industry
- Pretax Income
- £4.18B
- –
Balance sheetIndustry
- Net Cash (Debt)
- -£46.38B
- –
- Net Cash Per Share
- -8.92 GBP
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- Equity (Book Value)
- £39.30B
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- Book Value Per Share
- 7.56 GBP
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- Tangible Book Value
- £26.00B
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- Working Capital
- -£2.31B
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Cash flow (TTM)Industry
- Capital Expenditures
- -£9.99B
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Dividends and yieldsIndustry
- Earnings Yield
- 4.97%
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- Buyback Yield
- -0.00%
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- Shareholder Yield
- -0.00%
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- Payout Ratio
- 50.1%
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Taxes and interestIndustry
- Interest Expense
- £1.71B
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- Income Tax
- £939.00M
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- Effective Tax Rate
- 22.5%
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Scores and fair valueIndustry
- Graham Number
- 10.53 GBP
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- Graham Upside
- -16.1%
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- Altman Z-Score
- 1.41
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- Lynch Fair Value
- 4.62 GBP
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- Lynch Upside
- -63.2%
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Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Oct 19, 2026. The S&P 500 is measured by the SPY fund.
| Period | NMKCP | S&P 500 | Difference | NMKCP per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -7.0% | +0.6% | −7.6 pts | ||
| 3 months | -5.2% | +3.4% | −8.6 pts | ||
| Year to date | -3.8% | +13.3% | −17.1 pts | ||
| 1 year | -4.9% | +16.6% | −21.5 pts | ||
| 3 years | -19.0% | +86.4% | −105.4 pts | -6.8% | +23.1% |
| 5 years | -25.4% | +81.9% | −107.2 pts | -5.7% | +12.7% |
| 10 years | -5.6% | +318.9% | −324.5 pts | -0.6% | +15.4% |
Short interest
Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Sep 30, 2026.
0M NMKCP shares were sold short on Sep 30, 2026, down 27.3% from the previous report. At recent volumes it would take 1.0 days to buy them back.
| Settlement date | Shares short | Change | Avg. daily volume | Days to cover |
|---|---|---|---|---|
| Sep 30, 2026 | 16 | -27.3% | 36 | 1.0 |
| Sep 15, 2026 | 22 | 0.0% | 64 | 1.0 |
| Aug 31, 2026 | 22 | -66.2% | 90 | 1.0 |
| Aug 14, 2026 | 65 | +306.3% | 120 | 1.0 |
| Jul 31, 2026 | 16 | 0.0% | 149 | 1.0 |
| Jul 15, 2026 | 16 | 0.0% | 2 | 8.0 |
| Jun 30, 2026 | 16 | 0.0% | 161 | 1.0 |
| Jun 15, 2026 | 16 | 0.0% | 278 | 1.0 |
| May 29, 2026 | 16 | 0.0% | 116 | 1.0 |
| May 15, 2026 | 16 | – | 247 | 1.0 |
| Jul 15, 2025 | 10 | 0.0% | 3 | 3.3 |
| Jun 30, 2025 | 10 | – | 32 | 1.0 |
Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.