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

National Grid Transco logo
$71.54 +0.47 (+0.66%)
Closing price 03:59 PM Eastern
Extended Trading
$71.60 +0.06 (+0.09%)
As of 05:42 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 3.28%, with a year-to-date return of 20.40%. In the past month, the stock has increased 1.76%, reflecting recent market activity.

As of the latest close, National Grid Transco traded at $71.07 with a market cap of $70.51 billion and volume of 337,605 shares. Five years ago, the stock traded at $54.49, representing a 31.29% increase over that period. At the time, it had a market cap of $41.17 billion and a volume of 344,630 shares.

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5 Day
Performance
+2.05%
1 Month
Performance
+1.76%
3 Month
Performance
-1.81%
Year-To-Date
Performance
+20.40%
1 Year
Performance
+3.28%
5 Year
Performance
+31.29%

NGG Stock Chart for Friday, September, 12, 2025

NGG Chart by TradingView

National Grid Transco Stock Price History

Export to Excel
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/12/2025$71.07$71.54
+0.67%		$71.63$71.08409,112 shs$70.98 billion
09/11/2025$70.63$71.07
+0.62%		$71.08$70.09337,605 shs$70.51 billion
09/10/2025$70.42$70.63
+0.30%		$70.68$70.30540,210 shs$70.08 billion
09/09/2025$70.44$70.42
-0.03%		$70.71$69.77805,598 shs$69.87 billion
09/08/2025$70.10$70.44
+0.48%		$70.48$69.73843,381 shs$69.89 billion
09/05/2025$68.93$70.10
+1.70%		$70.13$69.73570,025 shs$69.56 billion
09/04/2025$68.50$68.93
+0.62%		$69.52$68.59677,937 shs$68.39 billion
09/03/2025$67.97$68.50
+0.79%		$68.87$68.19572,890 shs$67.97 billion
09/02/2025$70.61$67.97
-3.75%		$68.44$67.52941,432 shs$67.44 billion
09/01/2025$70.61$70.61$70.95$70.34323,364 shs$70.07 billion
08/29/2025$70.90$70.61
-0.40%		$70.95$70.34323,364 shs$70.07 billion
08/28/2025$71.75$70.90
-1.19%		$71.42$70.76399,036 shs$70.34 billion
08/27/2025$71.08$71.75
+0.94%		$71.80$71.21478,585 shs$71.19 billion
08/26/2025$70.50$71.08
+0.82%		$71.18$70.88411,872 shs$70.52 billion
08/25/2025$71.39$70.50
-1.25%		$71.40$70.47320,861 shs$69.95 billion
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
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This page (NYSE:NGG) was last updated on 9/12/2025 by MarketBeat.com Staff
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