Dark

NGS
Natural Gas Services Group, Inc.
stock NYSE

Market Open

Jul 31, 2026 12:43:30 PM EDT

36.53USD+1.388%(+0.50)40,715

31.36Bid 41.64Ask 10.28Spread

Pre-market

0.00USD-100.000%(-35.53)0

After-hours

Jul 29, 2026 4:54:30 PM EDT

35.51USD-0.014%(0.00)0

OverviewOptionsHistoricalDark Pool PrintsShortsMore

NGS Volume Jul 31, 2026 12:23:57 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	47.46	19,014	43.79
NYSE	23.60	9,454	33.85
Nasdaq GSM	7.36	2,950	7.44
Cboe EDGX	6.73	2,696	2.38
IEX	3.74	1,500	3.00
NYSE Arca	3.69	1,479	3.19
Cboe BZX	2.24	898	3.03
MEMX	1.83	735	0.87
NYSE National	1.77	710	0.33
Nasdaq BX	0.94	377	0.58
Cboe BYX	0.27	107	0.68
LTSE	0.25	100	0.10
Cboe EDGA	0.06	24	0.39
MIAX Pearl	0.03	12	0.16
Nasdaq PHLX	0.02	8	0.05
NYSE American	0.00	0	0.16
CHX	0.00	0	0.03
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

0.27 servings per container

Serving size

149.85K

Calories

40.06K

% Day

% Avg

Off Exchange¹ 19K

47.46%

43.79%

NYSE 9K

23.60%

33.85%

Nasdaq GSM 3K

7.36%

7.44%

Cboe EDGX 3K

6.73%

2.38%

IEX 2K

3.74%

3.00%

NYSE Arca 1K

3.69%

3.19%

Cboe BZX 898

2.24%

3.03%

MEMX 735

1.83%

0.87%

NYSE National 710

1.77%

0.33%

Nasdaq BX 377

0.94%

0.58%

Cboe BYX 107

0.27%

0.68%

LTSE 100

0.25%

0.10%

Cboe EDGA 24

0.06%

0.39%

MIAX Pearl 12

0.03%

0.16%

Nasdaq PHLX 8

0.02%

0.05%

NYSE American 0

0.00%

0.16%

CHX 0

0.00%

0.03%

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 19,014, which is 47.46% of today's total volume.
Today's Lit volume is 21,050, which is 52.54%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.79%.
The average Lit volume has been 56.21%.

NGS Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

Cboe EDGX

IEX

NYSE Arca

Cboe BZX

MEMX

NYSE National

Nasdaq BX

Cboe BYX