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National Grid PLC (NMKBP) stock

NMKBPOTCNatural Gas TransmissionFiscal year ends March 31Also trades as NEWEN, NGG, NGGTF, NMKCP, NMPWP
Financials through fiscal 2026, year ended Mar 31, 2026Last filing: 20-F on Jun 3, 2026Score 3/30
$57.40−0.50 (-0.86%)

Close on Oct 19, 2026Market cap $59.68BP/E 13.2Yield –

Price history

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

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Close, Oct 19, 2026
$57.40
-0.86% on the day
52-week range
$57.05 – $64.40
-10.9% from the high
Change over 52 weeks
-8.1%
From $62.49 on Oct 17, 2025
Average volume
66
Shares a day, last 90 sessions
MonthOpenHighLowCloseChangeVolume
Oct 2026$57.50$58.50$57.40$57.40-1.03%1,063
Sep 2026$58.02$60.00$57.05$58.00-0.03%1,936
Aug 2026$57.90$62.40$57.61$58.02-7.17%401
Jul 2026$58.02$62.50$57.55$62.50+7.72%1,884
Jun 2026$59.06$61.00$58.02$58.02-1.76%1,011
May 2026$59.35$59.72$59.00$59.06-0.49%3,382
Apr 2026$59.35$59.35$59.35$59.350.00%912
Mar 2026$60.25$62.00$59.35$59.35-7.84%365
Feb 2026$62.00$64.40$60.00$64.40+3.87%602
Jan 2026$60.63$62.00$60.00$62.00+2.26%1,231
Dec 2025$62.08$62.20$59.90$60.63-2.34%2,656
Nov 2025$61.99$62.50$58.77$62.08+0.15%4,015
Oct 2025$62.90$62.90$61.99$61.99-2.84%849
Sep 2025$59.99$63.80$59.99$63.80+6.35%326
Aug 2025$60.00$63.95$57.36$59.99-0.02%1,553
Jul 2025$57.03$63.36$57.03$60.00+3.45%1,176
Jun 2025$60.98$60.98$57.00$58.00-4.89%170
May 2025$61.25$61.25$59.00$60.98-0.44%1,341
Apr 2025$62.00$62.00$61.25$61.25-1.21%483
Mar 2025$64.50$64.50$62.00$62.000.00%573
Feb 2025$60.00$65.00$60.00$62.00+3.33%600
Jan 2025$58.45$75.00$58.21$60.00+2.39%4,899
Dec 2024$65.60$65.60$58.00$58.60-10.67%2,973
Nov 2024$67.75$68.00$65.60$65.60-3.17%609
Oct 2024$64.01$67.75$64.01$67.75+5.84%2,846
Sep 2024$61.97$64.01$59.01$64.01+3.29%1,600
Aug 2024$63.25$63.48$58.50$61.97-2.02%3,200
Jul 2024$58.40$63.44$57.03$63.25+10.96%3,000
Jun 2024$58.00$58.00$54.06$57.00-1.72%1,400
May 2024$58.28$60.00$57.70$58.00-1.69%1,500
Apr 2024$58.00$61.98$58.00$59.00+1.72%3,800
Mar 2024$62.76$62.76$57.01$58.00-7.58%2,300
Feb 2024$69.99$69.99$60.00$62.76-3.07%2,800
Jan 2024$70.00$70.00$60.05$64.75-18.63%1,300
Dec 2023$87.28$89.24$78.51$79.57-8.83%8,900
Nov 2023$81.80$92.10$81.30$87.28+5.73%15,400
Oct 2023$86.00$88.99$77.03$82.55-4.01%29,900
Sep 2023$78.90$91.40$76.50$86.00+9.00%4,300
Aug 2023$88.42$89.74$72.50$78.90-9.78%4,300
Jul 2023$81.00$96.99$76.26$87.45+6.65%67,600
Jun 2023$74.00$85.50$74.00$82.00+10.81%20,500
May 2023$72.16$81.48$72.16$74.00+2.55%800
Apr 2023$82.16$82.16$72.15$72.16-12.17%500
Mar 2023$75.00$103.06$73.60$82.16+8.03%46,600
Feb 2023$77.00$77.65$68.82$76.05-1.23%13,200
Jan 2023$71.57$77.50$71.57$77.00+7.59%2,900
Dec 2022$70.99$73.99$68.10$71.57-0.60%8,900
Nov 2022$71.92$76.60$68.55$72.00+0.11%10,500
Oct 2022$81.96$83.98$71.81$71.92-10.26%6,300
Sep 2022$87.85$88.44$76.19$80.14-3.81%1,700
Aug 2022$91.88$98.99$81.31$83.31-7.38%3,000
Jul 2022$86.34$97.00$83.44$89.95+6.58%94,900
Jun 2022$91.00$94.00$84.40$84.40-7.25%4,200
May 2022$94.35$94.35$89.51$91.00-3.55%600
Apr 2022$94.11$95.00$94.11$94.35+0.26%400
Mar 2022$96.66$99.04$94.11$94.11-2.64%3,800
Feb 2022$101.00$101.00$96.66$96.66-4.30%1,200
Jan 2022$101.25$102.00$99.00$101.00-0.25%1,500
Dec 2021$101.98$102.00$98.44$101.25-0.72%800
Nov 2021$101.37$102.00$100.00$101.98+2.24%2,300

Seasonality

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average-0.3%-0.8%-0.8%-0.5%-0.4%2.3%3.1%-2.7%2.6%-1.5%1.0%-1.6%
Months up6 of 102 of 105 of 106 of 104 of 106 of 107 of 103 of 107 of 103 of 106 of 95 of 9
20262.3%3.9%-6.5%0.0%-0.5%-0.3%7.7%-7.2%1.5%-1.0%
20252.4%3.3%1.5%-1.2%-0.4%-3.5%3.4%-0.0%7.9%-2.8%0.1%-0.8%
2024-18.6%-3.1%-6.2%1.7%-1.7%-0.2%11.0%-2.0%4.8%5.8%-3.2%-9.4%
20237.6%-1.2%9.1%-12.2%2.5%12.1%6.6%-9.8%10.3%-4.0%5.7%-7.9%
2022-0.2%-4.3%-1.7%0.3%-3.6%-6.3%6.6%-7.4%-2.7%-10.3%0.1%0.6%
20210.5%-1.5%3.8%-1.3%0.2%1.5%0.6%-1.1%2.1%-1.6%2.2%0.2%
20205.2%-2.5%-7.9%2.7%0.9%12.4%-0.1%0.1%-2.1%0.9%-0.5%-1.0%
2019-1.7%-2.0%0.6%1.8%1.0%3.9%-1.8%0.4%-0.5%-1.1%3.4%0.1%
20180.3%-0.6%-1.6%0.2%-0.4%0.8%0.0%0.1%0.3%1.1%-0.5%3.4%
2017-0.4%-0.0%1.4%3.2%-2.3%2.7%-3.3%-0.6%4.1%-1.7%1.0%0.0%