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NGG
National Grid PLC
stock NYSE ADR

At Close

Sep 29, 2026 3:59:53 PM EDT

74.92USD-0.425%(-0.32)1,002,387

61.23Bid 92.30Ask 31.07Spread

Pre-market

Sep 29, 2026 9:26:30 AM EDT

74.38USD-1.143%(-0.86)3,641

After-hours

Sep 29, 2026 4:10:30 PM EDT

74.94USD+0.027%(+0.02)1

OverviewOptionsHistoricalDark Pool LevelsShortsMore

NGG Volume Sep 29, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	43.13	432,157	42.90
Nasdaq GSM	22.86	229,026	20.68
NYSE	17.23	172,680	17.39
IEX	4.86	48,685	4.71
NYSE Arca	4.06	40,679	5.47
Cboe BZX	3.91	39,201	3.84
Cboe EDGX	1.36	13,596	1.89
Cboe BYX	0.50	4,986	0.77
MEMX	0.44	4,433	0.62
Cboe EDGA	0.28	2,760	0.46
Texas Stock Exchange LLC	0.25	2,464	0.30
NYSE National	0.21	2,107	0.11
MIAX Pearl	0.19	1,948	0.21
Nasdaq BX	0.19	1,892	0.14
NYSE American	0.19	1,854	0.15
LTSE	0.17	1,711	0.14
CHX	0.10	958	0.11
Nasdaq PHLX	0.08	823	0.12
24X National	0.00	0	0.01

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

NGG Nutrition Facts

1.10 servings per container

Serving size

906.91K

Calories

1.00M

% Day

% Avg

Off Exchange¹ 432K

43.13%

42.90%

Nasdaq GSM 229K

22.86%

20.68%

NYSE 173K

17.23%

17.39%

IEX 49K

4.86%

4.71%

NYSE Arca 41K

4.06%

5.47%

Cboe BZX 39K

3.91%

3.84%

Cboe EDGX 14K

1.36%

1.89%

Cboe BYX 5K

0.50%

0.77%

MEMX 4K

0.44%

0.62%

Cboe EDGA 3K

0.28%

0.46%

Texas Stock Exchange LLC 2K

0.25%

0.30%

NYSE National 2K

0.21%

0.11%

MIAX Pearl 2K

0.19%

0.21%

Nasdaq BX 2K

0.19%

0.14%

NYSE American 2K

0.19%

0.15%

LTSE 2K

0.17%

0.14%

CHX 958

0.10%

0.11%

Nasdaq PHLX 823

0.08%

0.12%

24X National 0

0.00%

0.01%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

NGG Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 432,157, which is 43.13% of today's total volume.
Today's Lit volume is 569,803, which is 56.87%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.90%.
The average Lit volume has been 57.10%.

NGG Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

Cboe BYX

MEMX

Cboe EDGA

Texas Stock Exchange LLC