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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 month, 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
MonthOpenHighLowCloseChangeVolume
Oct 2026$64.18$64.18$58.50$59.75-6.90%2,224
Sep 2026$62.07$64.85$62.07$64.18+3.40%509
Aug 2026$66.00$67.99$62.07$62.07-3.02%1,765
Jul 2026$64.10$66.00$64.00$64.00-0.16%901
Jun 2026$64.05$65.50$64.00$64.10-1.03%2,330
May 2026$64.00$67.00$64.00$64.77+1.20%1,869
Apr 2026$64.02$65.00$64.00$64.00-0.03%230
Mar 2026$65.01$66.99$64.02$64.02-3.00%1,168
Feb 2026$65.20$66.00$65.05$66.00+1.21%1,065
Jan 2026$64.80$65.95$64.65$65.21+0.32%2,004
Dec 2025$65.75$66.00$64.27$65.00-1.14%2,984
Nov 2025$66.00$66.49$64.75$65.75-0.38%2,159
Oct 2025$65.83$66.78$64.75$66.00+1.54%1,069
Sep 2025$62.35$66.00$62.35$65.00+4.25%1,940
Aug 2025$65.25$65.25$62.35$62.35-4.44%1,312
Jul 2025$66.75$66.75$62.40$65.25-2.25%1,399
Jun 2025$62.27$67.00$62.27$66.75+6.97%1,450
May 2025$64.00$64.25$62.08$62.40-2.50%695
Apr 2025$65.00$65.11$63.15$64.00-1.54%2,193
Mar 2025$65.29$65.89$63.05$65.00-2.91%2,155
Feb 2025$66.50$66.95$62.76$66.95-0.07%8,174
Jan 2025$68.98$68.98$61.79$67.00+6.69%1,469
Dec 2024$70.00$70.00$62.80$62.80-10.29%4,203
Nov 2024$71.50$71.73$68.01$70.00-2.10%2,167
Oct 2024$67.01$72.20$66.99$71.50+6.70%4,923
Sep 2024$70.95$70.95$67.01$67.01-6.92%900
Aug 2024$65.00$71.99$63.35$71.99+10.75%6,700
Jul 2024$64.00$66.00$63.26$65.00+2.04%4,700
Jun 2024$62.80$64.75$62.50$63.70+1.43%2,600
May 2024$62.75$64.00$62.75$62.80+0.08%1,100
Apr 2024$64.95$64.95$62.75$62.75-0.66%2,600
Mar 2024$64.70$64.95$63.03$63.17-2.21%2,100
Feb 2024$72.99$72.99$63.01$64.60-11.39%8,900
Jan 2024$76.10$80.00$59.79$72.90-4.20%2,000
Dec 2023$78.00$81.99$75.12$76.10-2.44%7,100
Nov 2023$84.00$97.80$78.00$78.00-4.88%3,600
Oct 2023$87.02$89.80$82.00$82.00-8.88%2,200
Sep 2023$89.20$98.52$84.77$89.99-1.06%4,500
Aug 2023$87.94$94.80$87.25$90.95+3.87%3,900
Jul 2023$83.97$95.00$81.59$87.56+4.23%10,100
Jun 2023$80.99$88.80$78.50$84.01+3.73%37,100
May 2023$80.00$80.99$78.00$80.99+1.24%700
Apr 2023$86.98$87.00$78.07$80.00-8.05%5,000
Mar 2023$83.97$93.37$81.05$87.00+3.47%2,100
Feb 2023$82.00$84.48$78.00$84.08+2.54%2,000
Jan 2023$74.10$84.87$74.10$82.00+7.89%3,200
Dec 2022$83.05$83.05$69.84$76.00-9.53%10,800
Nov 2022$92.12$94.25$83.26$84.01-7.17%2,600
Oct 2022$95.00$101.10$85.08$90.50+0.47%40,600
Sep 2022$92.00$94.00$83.04$90.08-2.09%9,400
Aug 2022$94.00$94.45$90.00$92.00-2.13%1,100
Jul 2022$90.50$94.50$90.50$94.00+6.82%5,000
Jun 2022$92.55$97.62$83.81$88.00-5.38%13,100
May 2022$96.00$96.10$92.85$93.00-3.13%700
Apr 2022$97.00$105.00$94.51$96.00-1.03%1,400
Mar 2022$96.96$100.60$95.02$97.00+0.04%3,100
Feb 2022$100.00$100.00$96.00$96.96-3.04%3,700
Jan 2022$102.00$102.00$99.98$100.00-1.48%5,300
Dec 2021$103.75$104.20$99.17$101.50-2.19%3,900
Nov 2021$104.92$105.00$102.00$103.77-1.10%11,600

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%