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National Grid Transco (NGG) Stock Chart & Stock Price History

National Grid Transco logo
$71.39 -0.04 (-0.05%)
Closing price 08/22/2025 03:59 PM Eastern
Extended Trading
$70.69 -0.70 (-0.97%)
As of 08/22/2025 08:00 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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National Grid Transco Stock Price Performance

The National Grid Transco (NGG) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 7.18%, with a year-to-date return of 20.15%. In the past month, the stock has decreased 1.66%, reflecting recent market activity.

As of the latest close, National Grid Transco traded at $71.39 with a market cap of $70.84 billion and volume of 435,376 shares. Five years ago, the stock traded at $57.44, representing a 24.29% increase over that period. At the time, it had a market cap of $42.11 billion and a volume of 218,034 shares.

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5 Day
Performance
+0.93%
1 Month
Performance
-1.66%
3 Month
Performance
-4.53%
Year-To-Date
Performance
+20.15%
1 Year
Performance
+7.18%
5 Year
Performance
+24.29%

NGG Stock Chart for Saturday, August, 23, 2025

NGG Chart by TradingView

National Grid Transco Stock Price History

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DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
08/22/2025$71.37$71.39
+0.03%		$71.86$71.31435,376 shs$70.84 billion
08/21/2025$72.04$71.37
-0.93%		$71.79$71.30547,436 shs$70.82 billion
08/20/2025$71.04$72.04
+1.42%		$72.28$71.62591,780 shs$71.48 billion
08/19/2025$70.73$71.04
+0.43%		$71.09$70.66440,612 shs$70.48 billion
08/18/2025$71.40$70.73
-0.94%		$71.31$70.61555,503 shs$70.18 billion
08/15/2025$71.58$71.40
-0.25%		$71.58$71.20547,749 shs$70.00 billion
08/14/2025$70.52$71.58
+1.50%		$71.69$70.75590,966 shs$70.17 billion
08/13/2025$70.30$70.52
+0.31%		$70.94$70.30574,996 shs$69.13 billion
08/12/2025$71.22$70.30
-1.29%		$70.64$69.93522,252 shs$68.92 billion
08/11/2025$71.00$71.22
+0.31%		$71.40$70.98437,754 shs$69.82 billion
08/08/2025$72.06$71.00
-1.47%		$72.04$70.91701,806 shs$69.60 billion
08/07/2025$72.33$72.06
-0.37%		$72.39$71.65643,488 shs$70.64 billion
08/06/2025$72.29$72.33
+0.05%		$72.97$72.30566,788 shs$70.90 billion
08/05/2025$72.70$72.29
-0.56%		$72.63$72.14566,248 shs$70.87 billion
08/04/2025$71.82$72.70
+1.22%		$72.95$72.15708,361 shs$71.27 billion
08/01/2025$70.36$71.82
+2.07%		$72.05$71.53893,509 shs$70.41 billion
07/31/2025$70.20$70.36
+0.23%		$70.60$69.89710,566 shs$68.98 billion
07/30/2025$70.50$70.20
-0.42%		$70.88$69.85805,005 shs$68.82 billion
07/29/2025$70.33$70.50
+0.24%		$70.55$69.911.14 million shs$69.11 billion
07/28/2025$72.11$70.33
-2.47%		$71.64$70.181.51 million shs$68.95 billion
07/25/2025$72.29$72.11
-0.24%		$72.16$71.71553,504 shs$70.70 billion
07/24/2025$72.60$72.29
-0.42%		$72.63$72.061.22 million shs$70.87 billion
07/23/2025$74.28$72.60
-2.27%		$73.35$72.351.15 million shs$71.17 billion
07/22/2025$72.53$74.28
+2.42%		$74.35$73.181.17 million shs$72.82 billion
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This page (NYSE:NGG) was last updated on 8/23/2025 by MarketBeat.com Staff
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