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National Grid PLC (NMKCP) stock

NMKCPOTCNatural Gas TransmissionFiscal year ends March 31Also trades as NEWEN, NGG, NGGTF, NMKBP, NMPWP
Financials through fiscal 2026, year ended Mar 31, 2026Last filing: 20-F on Jun 3, 2026Score 3/30
$59.75+0.00 (0.00%)

Close on Oct 19, 2026Market cap $62.13BP/E 13.7Yield –

Price history

National Grid share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 19, 2026
$59.75
0.00% on the day
52-week range
$58.50 – $67.99
-12.1% from the high
Change over 52 weeks
-10.4%
From $66.70 on Oct 17, 2025
Average volume
80
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 19, 2026$61.28$61.28$59.75$59.750.00%125
Oct 12, 2026$62.00$62.00$59.75$59.75-3.63%60
Oct 5, 2026$64.18$64.18$58.50$62.00-3.40%2,039
Sep 28, 2026$63.00$64.18$63.00$64.18+1.87%129
Sep 21, 2026$64.25$64.25$63.00$63.00-1.95%60
Sep 14, 2026$64.25$64.25$64.25$64.250.00%0
Sep 8, 2026$64.76$64.85$64.25$64.25-0.79%285
Aug 31, 2026$63.61$64.76$62.07$64.760.00%135
Aug 24, 2026$63.61$64.76$63.61$64.76+1.81%317
Aug 17, 2026$63.00$63.61$63.00$63.61+0.97%175
Aug 10, 2026$65.98$67.99$63.00$63.00-3.30%217
Aug 3, 2026$66.00$66.00$63.12$65.15+1.80%956
Jul 27, 2026$64.00$64.00$64.00$64.000.00%100
Jul 20, 2026$64.00$64.00$64.00$64.000.00%0
Jul 13, 2026$66.00$66.00$64.00$64.00-3.03%790
Jul 6, 2026$64.10$66.00$64.10$66.00+2.96%11
Jun 29, 2026$64.10$64.10$64.10$64.100.00%101
Jun 22, 2026$65.00$65.00$64.10$64.10-1.38%500
Jun 15, 2026$64.50$65.00$64.00$65.00-0.57%1,150
Jun 8, 2026$64.50$65.38$64.50$65.38+1.36%88
Jun 1, 2026$64.05$65.50$64.05$64.50-0.42%491
May 26, 2026$65.30$67.00$64.77$64.77-0.74%523
May 18, 2026$65.25$65.25$65.25$65.250.00%0
May 11, 2026$65.00$65.25$64.00$65.25+1.95%346
May 4, 2026$64.00$64.00$64.00$64.000.00%1,000
Apr 27, 2026$65.00$65.00$64.00$64.00-1.54%200
Apr 20, 2026$65.00$65.00$65.00$65.000.00%20
Apr 13, 2026$64.02$65.00$64.02$65.00+1.53%10
Apr 6, 2026$64.02$64.02$64.02$64.020.00%0
Mar 30, 2026$64.02$64.02$64.02$64.020.00%0
Mar 23, 2026$65.00$65.00$64.02$64.02-1.51%545
Mar 16, 2026$66.99$66.99$64.75$65.00-2.97%325
Mar 9, 2026$65.44$66.99$65.44$66.99+2.37%75
Mar 2, 2026$65.01$66.59$65.01$65.44-0.85%223
Feb 23, 2026$66.00$66.00$66.00$66.000.00%0
Feb 17, 2026$66.00$66.00$66.00$66.00+1.46%202
Feb 9, 2026$66.00$66.00$65.05$65.05-1.44%281
Feb 2, 2026$65.20$66.00$65.09$66.00+1.21%582
Jan 26, 2026$65.05$65.25$65.05$65.21-1.12%480
Jan 20, 2026$65.50$65.95$65.50$65.95+0.69%10
Jan 12, 2026$65.00$65.50$65.00$65.50+0.77%595
Jan 5, 2026$64.65$65.00$64.65$65.00+0.30%844
Dec 29, 2025$64.75$65.20$64.75$64.80+0.83%1,428
Dec 22, 2025$64.27$66.00$64.27$64.270.00%753
Dec 15, 2025$65.75$65.75$64.27$64.27-2.25%503
Dec 8, 2025$65.25$65.75$65.25$65.75+0.77%175
Dec 1, 2025$65.75$65.75$65.25$65.25-0.76%200
Nov 24, 2025$65.00$65.75$64.75$65.75-0.38%244
Nov 17, 2025$65.00$66.49$65.00$66.00+1.54%284
Nov 10, 2025$65.00$65.00$65.00$65.000.00%1,220
Nov 3, 2025$66.00$66.00$65.00$65.00-1.52%411
Oct 27, 2025$66.00$66.00$66.00$66.000.00%0

Seasonality

NMKCP return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average0.9%-1.9%0.5%-0.0%-0.6%1.4%1.5%1.2%0.9%-0.0%-1.8%-2.1%
Months up6 of 104 of 105 of 105 of 104 of 105 of 106 of 105 of 105 of 106 of 102 of 93 of 9
20260.3%1.2%-1.6%-0.0%1.2%0.5%-0.2%-3.0%5.0%-6.9%
20256.7%-0.1%-1.4%-1.5%-2.5%8.6%-2.2%-4.4%5.9%1.5%-0.4%0.3%
2024-4.2%-11.4%-0.7%-0.7%0.1%3.0%2.0%10.8%-5.6%6.7%-2.1%-9.0%
20237.9%2.5%4.6%-8.0%1.2%5.0%4.2%3.9%-0.1%-8.9%-4.9%-1.3%
2022-1.5%-3.0%1.1%-1.0%-3.1%-4.4%6.8%-2.1%-1.0%0.5%-7.2%-8.3%
20211.0%-1.8%0.6%1.2%-2.0%2.5%-0.5%-1.0%2.0%0.9%-1.1%-1.2%
2020-2.0%-6.2%2.0%2.6%0.0%-0.2%2.5%3.2%-0.5%3.2%-2.6%1.4%
2019-0.3%3.1%-0.8%0.1%1.2%-0.0%3.1%2.6%4.8%-1.7%0.3%5.8%
20180.9%-4.4%2.0%3.0%-1.4%-0.5%1.3%-0.8%-1.7%-1.4%3.1%-2.7%
20170.7%1.0%-0.7%4.3%-0.5%-0.6%-1.9%2.9%0.1%5.8%-1.7%-3.8%