NGG
National Grid Transco PLC National Grid PLC (NEW) American Depositary SharesStock · Utilities$76.80-1.03%
as of market close, Sep 18, 2026
☾ AH — —
National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares monthly returns
National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares has averaged 0.82% per month, positive in 59% of months. Month-by-month returns for National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) below, through September 18, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+0.8%
249 months
Best month
+16.7%
May 2009
Worst month
-18.5%
Sep 2022
Positive months
59%
of all months
National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares monthly returns#
| Month | Path | Total return |
|---|---|---|
| Sep 2026 | -3.0% | |
| Aug 2026 | -1.0% | |
| Jul 2026 | -3.5% | |
| Jun 2026 | +1.6% | |
| May 2026 | -6.6% | |
| Apr 2026 | +5.8% | |
| Mar 2026 | -9.8% | |
| Feb 2026 | +10.0% | |
| Jan 2026 | +10.2% | |
| Dec 2025 | +1.6% | |
| Nov 2025 | +2.6% | |
| Oct 2025 | +3.6% | |
| Sep 2025 | +3.0% | |
| Aug 2025 | +0.3% | |
| Jul 2025 | -5.4% | |
| Jun 2025 | +4.2% | |
| May 2025 | +0.6% | |
| Apr 2025 | +11.3% | |
| Mar 2025 | +5.6% | |
| Feb 2025 | +1.2% | |
| Jan 2025 | +3.3% | |
| Dec 2024 | -6.7% | |
| Nov 2024 | +1.8% | |
| Oct 2024 | -8.7% | |
| Sep 2024 | +4.6% | |
| Aug 2024 | +3.3% | |
| Jul 2024 | +13.5% | |
| Jun 2024 | +2.5% | |
| May 2024 | -7.6% | |
| Apr 2024 | -2.3% | |
| Mar 2024 | +2.3% | |
| Feb 2024 | -1.3% | |
| Jan 2024 | -0.7% | |
| Dec 2023 | +3.0% | |
| Nov 2023 | +11.8% | |
| Oct 2023 | -0.8% | |
| Sep 2023 | -4.1% | |
| Aug 2023 | -6.2% | |
| Jul 2023 | +0.1% | |
| Jun 2023 | +0.5% | |
| May 2023 | -3.2% | |
| Apr 2023 | +5.4% | |
| Mar 2023 | +8.1% | |
| Feb 2023 | -1.3% | |
| Jan 2023 | +5.7% | |
| Dec 2022 | -2.1% | |
| Nov 2022 | +14.7% | |
| Oct 2022 | +6.0% | |
| Sep 2022 | -18.5% | |
| Aug 2022 | -9.2% | |
| Jul 2022 | +7.6% | |
| Jun 2022 | -10.5% | |
| May 2022 | +0.3% | |
| Apr 2022 | -3.5% | |
| Mar 2022 | +1.7% | |
| Feb 2022 | +3.3% | |
| Jan 2022 | +1.2% | |
| Dec 2021 | +11.4% | |
| Nov 2021 | +3.1% | |
| Oct 2021 | +7.5% | |
| Sep 2021 | -8.1% | |
| Aug 2021 | +0.9% | |
| Jul 2021 | +0.6% | |
| Jun 2021 | -1.1% | |
| May 2021 | +6.2% | |
| Apr 2021 | +6.3% | |
| Mar 2021 | +6.0% | |
| Feb 2021 | -3.8% | |
| Jan 2021 | -1.6% | |
| Dec 2020 | +4.1% | |
| Nov 2020 | -2.9% | |
| Oct 2020 | +2.9% | |
| Sep 2020 | +2.3% | |
| Aug 2020 | -4.4% | |
| Jul 2020 | +0.7% | |
| Jun 2020 | +6.3% | |
| May 2020 | -2.5% | |
| Apr 2020 | +0.5% | |
| Mar 2020 | -7.9% | |
| Feb 2020 | -4.6% | |
| Jan 2020 | +5.8% | |
| Dec 2019 | +9.1% | |
| Nov 2019 | +0.3% | |
| Oct 2019 | +7.8% | |
| Sep 2019 | +3.5% | |
| Aug 2019 | +1.7% | |
| Jul 2019 | -3.3% | |
| Jun 2019 | +5.8% | |
| May 2019 | -4.3% | |
| Apr 2019 | -2.0% | |
| Mar 2019 | -1.2% | |
| Feb 2019 | +3.7% | |
| Jan 2019 | +13.6% | |
| Dec 2018 | -10.2% | |
| Nov 2018 | +1.9% | |
| Oct 2018 | +3.2% | |
| Sep 2018 | -2.2% | |
| Aug 2018 | -2.0% | |
| Jul 2018 | -3.2% | |
| Jun 2018 | +0.1% | |
| May 2018 | -0.6% | |
| Apr 2018 | +3.1% | |
| Mar 2018 | +9.4% | |
| Feb 2018 | -10.6% | |
| Jan 2018 | -1.9% | |
| Dec 2017 | -2.2% | |
| Nov 2017 | +0.2% | |
| Oct 2017 | -2.6% | |
| Sep 2017 | -1.8% | |
| Aug 2017 | +2.1% | |
| Jul 2017 | -0.5% | |
| Jun 2017 | -8.3% | |
| May 2017 | +8.0% | |
| Apr 2017 | +2.2% | |
| Mar 2017 | +4.3% | |
| Feb 2017 | +4.1% | |
| Jan 2017 | +0.2% | |
| Dec 2016 | +2.2% | |
| Nov 2016 | -11.4% | |
| Oct 2016 | -8.0% |
Monthly total return (since Oct 2021)#
-10%0%10%
Oct 2021+7.5%
Nov 2021+3.1%
Dec 2021+11%
Jan 2022+1.2%2022
Feb 2022+3.3%
Mar 2022+1.7%
Apr 2022-3.5%
May 2022+0.3%
Jun 2022-10%
Jul 2022+7.6%
Aug 2022-9.2%
Sep 2022-18%
Oct 2022+6.0%
Nov 2022+15%
Dec 2022-2.1%
Jan 2023+5.7%2023
Feb 2023-1.3%
Mar 2023+8.1%
Apr 2023+5.4%
May 2023-3.2%
Jun 2023+0.49%
Jul 2023+0.07%
Aug 2023-6.2%
Sep 2023-4.1%
Oct 2023-0.79%
Nov 2023+12%
Dec 2023+3.0%
Jan 2024-0.68%2024
Feb 2024-1.3%
Mar 2024+2.3%
Apr 2024-2.3%
May 2024-7.6%
Jun 2024+2.5%
Jul 2024+13%
Aug 2024+3.3%
Sep 2024+4.6%
Oct 2024-8.7%
Nov 2024+1.8%
Dec 2024-6.7%
Jan 2025+3.3%2025
Feb 2025+1.2%
Mar 2025+5.6%
Apr 2025+11%
May 2025+0.64%
Jun 2025+4.2%
Jul 2025-5.4%
Aug 2025+0.26%
Sep 2025+3.0%
Oct 2025+3.6%
Nov 2025+2.6%
Dec 2025+1.6%
Jan 2026+10%2026
Feb 2026+10.0%
Mar 2026-9.8%
Apr 2026+5.8%
May 2026-6.6%
Jun 2026+1.6%
Jul 2026-3.5%
Aug 2026-1.0%
Sep 2026-3.0%
Methodology#
Monthly returns are total returns (dividends reinvested), computed from NGG's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares's average monthly return?
- National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) has averaged about 0.82% per month, positive in roughly 59% of months. The best month was May 2009 (+16.7%) and the worst was Sep 2022 (-18.5%).
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