Dark

GLDD
Great Lakes Dredge & Dock Corporation
stock NASDAQ

Market Open

Dec 15, 2025 10:44:40 AM EST

13.91USD+0.980%(+0.13)49,578

13.90Bid 13.93Ask 0.03Spread

Pre-market

Dec 15, 2025 9:25:30 AM EST

13.98USD+1.451%(+0.20)10,309

After-hours

Dec 12, 2025 4:00:30 PM EST

13.78USD-0.036%(0.00)0

OverviewOptionsHistoricalExchange VolumeShortsMore

GLDD Volume Dec 15, 2025 10:25:02 AM EST

[ < ]

Exchange	Day%	Volume	30D%
Off Exchange¹	53.97	21,554	37.00
Nasdaq GSM	28.15	11,243	41.17
NYSE Arca	6.49	2,593	5.68
IEX	5.12	2,046	5.13
Cboe BZX	3.05	1,218	2.88
Cboe EDGX	1.60	637	3.20
NYSE	0.76	302	1.74
Nasdaq BX	0.72	289	0.32
Cboe EDGA	0.11	45	0.32
NYSE National	0.01	5	0.23
MEMX	0.01	5	1.25
Cboe BYX	0.00	0	0.55
MIAX Pearl	0.00	0	0.30
Nasdaq PHLX	0.00	0	0.16
NYSE American	0.00	0	0.06
CHX	0.00	0	0.01
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.

GLDD Nutrition Facts

0.09 servings per container

Serving size

432.30K

Calories

39.94K

% Day

% Avg

Off Exchange¹ 22K

53.97%

37.00%

Nasdaq GSM 11K

28.15%

41.17%

NYSE Arca 3K

6.49%

5.68%

IEX 2K

5.12%

5.13%

Cboe BZX 1K

3.05%

2.88%

Cboe EDGX 637

1.60%

3.20%

NYSE 302

0.76%

1.74%

Nasdaq BX 289

0.72%

0.32%

Cboe EDGA 45

0.11%

0.32%

NYSE National 5

0.01%

0.23%

MEMX 5

0.01%

1.25%

Cboe BYX 0

0.00%

0.55%

MIAX Pearl 0

0.00%

0.30%

Nasdaq PHLX 0

0.00%

0.16%

NYSE American 0

0.00%

0.06%

CHX 0

0.00%

0.01%

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

GLDD Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 21,554, which is 53.97% of today's total volume.
Today's Lit volume is 18,383, which is 46.03%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 37.00%.
The average Lit volume has been 63.00%.

GLDD Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

NYSE

Nasdaq BX

Cboe EDGA

NYSE National

MEMX