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NGG
National Grid Transco PLC National Grid PLC (NEW) American Depositary SharesStock · Utilities
$80.41+$0.15 (+0.19%)as of market close, Aug 6, 2026
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NGG weekly returns

National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares has averaged 0.09% per week, positive in 53% of weeks. Week-by-week returns for National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) below, through August 6, 2026 — the table lists the most recent weeks; the bar chart plots the last 2 years.

Average week
+0.1%
1095 weeks
Best week
+18.4%
Oct 17, 2008
Worst week
-23.8%
Oct 10, 2008
Positive weeks
53%
of all weeks

National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares weekly returns#

National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares total return by week
Week endingTotal return
Aug 6, 2026
+0.6%
Jul 31, 2026
-2.8%
Jul 24, 2026
-2.0%
Jul 17, 2026
+1.7%
Jul 10, 2026
-0.3%
Jul 2, 2026
-0.2%
Jun 26, 2026
+4.5%
Jun 18, 2026
-2.9%
Jun 12, 2026
-0.0%
Jun 5, 2026
+0.4%
May 29, 2026
-5.9%
May 22, 2026
+7.4%

Weekly total return (since Aug 16, 2024)

-5%+0%+5%
20252026

Methodology#

Weekly returns are total returns (dividends reinvested), computed from NGG's split- and dividend-adjusted weekly (ISO week) closes. The table shows the most recent 260 weeks and the bar chart the most recent 104. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.

See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum

FAQ

What is National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares's average weekly return?
National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) has averaged about 0.09% per week, positive in roughly 53% of weeks. The best week was Oct 17, 2008 (+18.4%) and the worst was Oct 10, 2008 (-23.8%).