Dark

GWH
ESS Tech, Inc.
stock NYSE

At Close

Dec 19, 2025 3:59:30 PM EST

1.99USD+7.297%(+0.14)373,732

0.00Bid 0.00Ask 0.00Spread

Pre-market

Dec 19, 2025 8:37:30 AM EST

1.87USD+1.081%(+0.02)6,951

After-hours

Dec 19, 2025 4:45:30 PM EST

1.99USD+0.252%(+0.01)691

OverviewHistoricalDark Pool LevelsShortsMore

GWH Volume Dec 19, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	48.84	182,545	55.11
NYSE	26.91	100,588	16.07
NYSE Arca	8.20	30,640	8.50
Cboe EDGX	5.42	20,243	6.42
Nasdaq GSM	3.68	13,741	4.88
Cboe BZX	1.78	6,636	3.22
IEX	1.66	6,209	2.89
MEMX	1.49	5,565	1.70
Cboe EDGA	0.62	2,300	0.12
Nasdaq BX	0.41	1,520	0.23
Cboe BYX	0.38	1,433	0.29
MIAX Pearl	0.30	1,110	0.42
NYSE National	0.19	700	0.06
Nasdaq PHLX	0.11	400	0.05
NYSE American	0.03	100	0.03
CHX	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.

GWH Nutrition Facts

0.69 servings per container

Serving size

542.08K

Calories

373.73K

% Day

% Avg

Off Exchange¹ 183K

48.84%

55.11%

NYSE 101K

26.91%

16.07%

NYSE Arca 31K

8.20%

8.50%

Cboe EDGX 20K

5.42%

6.42%

Nasdaq GSM 14K

3.68%

4.88%

Cboe BZX 7K

1.78%

3.22%

IEX 6K

1.66%

2.89%

MEMX 6K

1.49%

1.70%

Cboe EDGA 2K

0.62%

0.12%

Nasdaq BX 2K

0.41%

0.23%

Cboe BYX 1K

0.38%

0.29%

MIAX Pearl 1K

0.30%

0.42%

NYSE National 700

0.19%

0.06%

Nasdaq PHLX 400

0.11%

0.05%

NYSE American 100

0.03%

CHX 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

GWH Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 182,545, which is 48.84% of today's total volume.
Today's Lit volume is 191,185, which is 51.16%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 55.11%.
The average Lit volume has been 44.89%.

GWH Volume by Exchange

Off Exchange

NYSE

NYSE Arca

Cboe EDGX

Nasdaq GSM

Cboe BZX

IEX

MEMX

Cboe EDGA

Nasdaq BX

Cboe BYX