NGG trailing returns
National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares's 10-year annualized return is +0.4% per year (+4.0% cumulative). How National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) has performed over the last day, week, month and year, over 5, 10 and 20 years, and since inception, through August 6, 2026 — cumulative and annualized, with dividends on or off.
Trailing returns by period#
To 2026-08-06. Annualized (CAGR) for windows of a year or more.
| Period | Path | Annualized | Cumulative |
|---|---|---|---|
| 1 day | — | +0.2% | |
| 1 week | — | +0.0% | |
| 1 month | — | -3.7% | |
| YTD | — | +4.0% | |
| 1 year | +11.2% | +11.2% | |
| 5 years | +4.1% | +22.5% | |
| 10 years | +0.4% | +4.0% | |
| 20 years | +1.2% | +26.6% | |
| Since inception (2005) | +2.2% | +56.3% |
Growth of NGG#
Actual index level (solid); dashed lines are each window's constant-rate path from start to today.
Methodology#
Trailing returns measure from the closest close about N years before the latest close (2026-08-06). Cumulative return is the total change over the window; annualized return is the compound annual growth rate (CAGR), shown for windows of a year or more. Total return reinvests dividends (from NGG's split- and dividend-adjusted closes); price return excludes them. See the year-by-year returns for the calendar breakdown. Past performance does not predict future returns; not investment advice.
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FAQ
- What is National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares's 10-year return?
- Over the last 10 years, National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) returned about +0.4% a year annualized (+4.0% cumulative total return).
- What is National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares's 20-year annualized return?
- Over the last 20 years, National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) compounded at about +1.2% a year (+26.6% cumulative).
- What is National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares's return since inception?
- Since 2005, National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) has compounded at about +2.2% a year — +56.3% in total.