Dark

GWH
ESS Tech, Inc.
stock NYSE

At Close

Mar 27, 2026 3:59:30 PM EDT

1.12USD-6.500%(-0.08)350,738

0.9500Bid 1.29Ask 0.34Spread

Pre-market

Mar 27, 2026 8:53:30 AM EDT

1.23USD+2.500%(+0.03)2,589

After-hours

Mar 27, 2026 4:00:30 PM EDT

1.12USD-0.178%(0.00)520

OverviewHistoricalDark Pool PrintsShortsMore

GWH Volume Mar 27, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	60.00	212,323	51.37
NYSE	14.32	50,676	11.33
NYSE Arca	7.85	27,797	11.69
Nasdaq GSM	4.58	16,197	7.77
Cboe BZX	3.30	11,677	2.80
Cboe EDGX	3.26	11,527	7.37
MIAX Pearl	2.32	8,203	1.25
IEX	1.97	6,982	2.23
Cboe BYX	0.77	2,734	0.57
MEMX	0.66	2,338	2.50
Nasdaq BX	0.37	1,299	0.25
Cboe EDGA	0.29	1,026	0.60
NYSE American	0.16	563	0.08
CHX	0.07	256	0.02
NYSE National	0.06	199	0.10
24X National	0.03	100	0.05
Nasdaq PHLX	0.00	0	0.03

chartexchange.com

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

GWH Nutrition Facts

0.62 servings per container

Serving size

570.56K

Calories

353.90K

% Day

% Avg

Off Exchange¹ 212K

60.00%

51.37%

NYSE 51K

14.32%

11.33%

NYSE Arca 28K

7.85%

11.69%

Nasdaq GSM 16K

4.58%

7.77%

Cboe BZX 12K

3.30%

2.80%

Cboe EDGX 12K

3.26%

7.37%

MIAX Pearl 8K

2.32%

1.25%

IEX 7K

1.97%

2.23%

Cboe BYX 3K

0.77%

0.57%

MEMX 2K

0.66%

2.50%

Nasdaq BX 1K

0.37%

0.25%

Cboe EDGA 1K

0.29%

0.60%

NYSE American 563

0.16%

0.08%

CHX 256

0.07%

0.02%

NYSE National 199

0.06%

0.10%

24X National 100

0.03%

0.05%

Nasdaq PHLX 0

0.00%

0.03%

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

chartexchange.com

GWH Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 212,323, which is 60.00% of today's total volume.
Today's Lit volume is 141,574, which is 40.00%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 51.37%.
The average Lit volume has been 48.63%.

GWH Volume by Exchange

Off Exchange

NYSE

NYSE Arca

Nasdaq GSM

Cboe BZX

Cboe EDGX

MIAX Pearl

IEX

Cboe BYX

MEMX

Nasdaq BX