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GEOS
Geospace Technologies Corporation Common Stock
stock NASDAQ

At Close

Apr 30, 2026 3:59:34 PM EDT

9.15USD-1.613%(-0.15)165,620

7.92Bid 10.45Ask 2.53Spread

Pre-market

Apr 29, 2026 9:24:30 AM EDT

10.14USD+9.032%(+0.84)0

After-hours

Apr 29, 2026 4:00:30 PM EDT

9.30USD+0.324%(+0.03)0

OverviewOptionsHistoricalDark Pool PrintsShortsMore

GEOS Volume Apr 30, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	38.63	63,986	47.93
Nasdaq GSM	27.54	45,623	29.30
IEX	13.79	22,843	3.10
NYSE Arca	6.92	11,457	6.37
Cboe EDGX	5.59	9,255	6.17
Cboe BZX	3.02	5,006	3.10
MEMX	2.83	4,685	1.92
Cboe BYX	0.62	1,032	0.38
Nasdaq BX	0.30	497	0.31
Nasdaq PHLX	0.23	383	0.15
NYSE National	0.21	350	0.34
Cboe EDGA	0.19	310	0.25
MIAX Pearl	0.08	130	0.21
NYSE	0.05	83	0.40
CHX	0.01	16	0.02
NYSE American	0.00	0	0.04
LTSE	0.00	0	0.03
24X National	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.

GEOS Nutrition Facts

0.87 servings per container

Serving size

190.95K

Calories

165.66K

% Day

% Avg

Off Exchange¹ 64K

38.63%

47.93%

Nasdaq GSM 46K

27.54%

29.30%

IEX 23K

13.79%

3.10%

NYSE Arca 11K

6.92%

6.37%

Cboe EDGX 9K

5.59%

6.17%

Cboe BZX 5K

3.02%

3.10%

MEMX 5K

2.83%

1.92%

Cboe BYX 1K

0.62%

0.38%

Nasdaq BX 497

0.30%

0.31%

Nasdaq PHLX 383

0.23%

0.15%

NYSE National 350

0.21%

0.34%

Cboe EDGA 310

0.19%

0.25%

MIAX Pearl 130

0.08%

0.21%

NYSE 83

0.05%

0.40%

CHX 16

0.01%

0.02%

NYSE American 0

0.00%

0.04%

LTSE 0

0.00%

0.03%

24X National 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

GEOS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 63,986, which is 38.63% of today's total volume.
Today's Lit volume is 101,670, which is 61.37%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 47.93%.
The average Lit volume has been 52.07%.

GEOS Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe EDGX

Cboe BZX

MEMX

Cboe BYX

Nasdaq BX

Nasdaq PHLX

NYSE National