Dark

NGS
Natural Gas Services Group, Inc.
stock NYSE

At Close

Sep 15, 2026 3:59:50 PM EDT

36.25USD+1.826%(+0.65)117,653

31.26Bid 41.01Ask 9.75Spread

Pre-market

Sep 14, 2026 8:29:30 AM EDT

37.87USD+6.376%(+2.27)0

After-hours

Sep 15, 2026 4:10:30 PM EDT

36.16USD-0.248%(-0.09)1

OverviewOptionsHistoricalExchange VolumeShortsMore

NGS Volume Sep 15, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	53.03	53,966	45.43
NYSE	15.88	16,161	31.70
Nasdaq GSM	10.82	11,015	6.71
IEX	6.82	6,945	3.22
NYSE Arca	5.76	5,863	3.48
Cboe BZX	3.21	3,267	2.88
Cboe EDGX	2.85	2,901	2.53
NYSE National	0.59	597	0.59
Cboe BYX	0.36	363	0.71
Cboe EDGA	0.26	261	0.52
MIAX Pearl	0.15	150	0.14
LTSE	0.10	100	0.07
Nasdaq BX	0.09	94	0.94
MEMX	0.04	41	0.68
Nasdaq PHLX	0.03	29	0.08
CHX	0.01	11	0.05
NYSE American	0.00	0	0.17
Texas Stock Exchange LLC	0.00	0	0.11
24X National	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.

NGS Nutrition Facts

0.84 servings per container

Serving size

121.28K

Calories

101.76K

% Day

% Avg

Off Exchange¹ 54K

53.03%

45.43%

NYSE 16K

15.88%

31.70%

Nasdaq GSM 11K

10.82%

6.71%

IEX 7K

6.82%

3.22%

NYSE Arca 6K

5.76%

3.48%

Cboe BZX 3K

3.21%

2.88%

Cboe EDGX 3K

2.85%

2.53%

NYSE National 597

0.59%

Cboe BYX 363

0.36%

0.71%

Cboe EDGA 261

0.26%

0.52%

MIAX Pearl 150

0.15%

0.14%

LTSE 100

0.10%

0.07%

Nasdaq BX 94

0.09%

0.94%

MEMX 41

0.04%

0.68%

Nasdaq PHLX 29

0.03%

0.08%

CHX 11

0.01%

0.05%

NYSE American 0

0.00%

0.17%

Texas Stock Exchange LLC 0

0.00%

0.11%

24X National 0

0.00%

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

chartexchange.com

NGS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 53,966, which is 53.03% of today's total volume.
Today's Lit volume is 47,798, which is 46.97%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.43%.
The average Lit volume has been 54.57%.

NGS Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE National

Cboe BYX

Cboe EDGA

MIAX Pearl