Dark

NGG
National Grid PLC
stock NYSE ADR

At Close

May 20, 2025 3:59:30 PM EDT

73.42USD+1.367%(+0.99)746,662

73.28Bid 73.31Ask 0.03Spread

Pre-market

May 20, 2025 9:28:30 AM EDT

72.43USD0.000%(0.00)3,973

After-hours

May 20, 2025 4:00:30 PM EDT

73.57USD+0.204%(+0.15)475

OverviewOptionsHistoricalExchange VolumeShortsMore

NGG Volume May 20, 2025

[ < ]

Exchange	Day%	Volume	30D%
Off Exchange¹	33.70	251,638	44.59
Nasdaq GSM	29.91	223,297	23.41
NYSE	18.69	139,555	16.43
NYSE Arca	5.85	43,698	5.24
Cboe BZX	4.17	31,150	3.26
IEX	3.18	23,708	3.15
Cboe BYX	1.92	14,326	0.86
Cboe EDGX	1.33	9,936	1.26
NYSE National	0.50	3,720	0.12
MEMX	0.37	2,755	0.71
Cboe EDGA	0.10	755	0.32
NYSE American	0.09	704	0.07
Nasdaq BX	0.09	668	0.18
MIAX Pearl	0.06	454	0.22
Nasdaq PHLX	0.03	198	0.16
CHX	0.01	100	0.03
LTSE	0.00	0	0.00

chartexchange.com

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

NGG Nutrition Facts

0.65 servings per container

Serving size

1.15M

Calories

746.66K

% Day

% Avg

Off Exchange¹ 252K

33.70%

44.59%

Nasdaq GSM 223K

29.91%

23.41%

NYSE 140K

18.69%

16.43%

NYSE Arca 44K

5.85%

5.24%

Cboe BZX 31K

4.17%

3.26%

IEX 24K

3.18%

3.15%

Cboe BYX 14K

1.92%

0.86%

Cboe EDGX 10K

1.33%

1.26%

NYSE National 4K

0.50%

0.12%

MEMX 3K

0.37%

0.71%

Cboe EDGA 755

0.10%

0.32%

NYSE American 704

0.09%

0.07%

Nasdaq BX 668

0.09%

0.18%

MIAX Pearl 454

0.06%

0.22%

Nasdaq PHLX 198

0.03%

0.16%

CHX 100

0.01%

0.03%

LTSE 0

0.00%

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 251,638, which is 33.70% of today's total volume.
Today's Lit volume is 495,024, which is 66.30%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.59%.
The average Lit volume has been 55.41%.

NGG Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE

NYSE Arca

Cboe BZX

IEX

Cboe BYX

Cboe EDGX

NYSE National

MEMX

Cboe EDGA