Dark

OII
Oceaneering International Inc.
stock NYSE

At Close

Sep 10, 2026 3:59:56 PM EDT

50.55USD+4.248%(+2.06)934,187

40.70Bid 61.45Ask 20.75Spread

Pre-market

0.00USD-100.000%(-48.49)0

After-hours

Sep 10, 2026 4:10:30 PM EDT

50.57USD+0.040%(+0.02)192,704

OverviewOptionsHistoricalExchange VolumeShortsMore

OII Volume Sep 10, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	40.35	385,925	43.96
NYSE	37.06	354,487	33.17
Nasdaq GSM	7.84	75,018	7.68
IEX	4.72	45,189	4.78
NYSE Arca	3.12	29,873	2.82
Cboe BZX	2.74	26,205	3.00
Cboe EDGX	1.61	15,445	1.87
Cboe BYX	0.74	7,034	0.49
MEMX	0.45	4,342	0.67
Nasdaq BX	0.26	2,440	0.29
Cboe EDGA	0.22	2,132	0.38
NYSE National	0.22	2,117	0.19
NYSE American	0.17	1,590	0.15
LTSE	0.16	1,522	0.11
MIAX Pearl	0.10	916	0.15
Texas Stock Exchange LLC	0.09	905	0.01
Nasdaq PHLX	0.07	709	0.21
CHX	0.07	646	0.07
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.

OII Nutrition Facts

1.15 servings per container

Serving size

830.79K

Calories

956.50K

% Day

% Avg

Off Exchange¹ 386K

40.35%

43.96%

NYSE 354K

37.06%

33.17%

Nasdaq GSM 75K

7.84%

7.68%

IEX 45K

4.72%

4.78%

NYSE Arca 30K

3.12%

2.82%

Cboe BZX 26K

2.74%

3.00%

Cboe EDGX 15K

1.61%

1.87%

Cboe BYX 7K

0.74%

0.49%

MEMX 4K

0.45%

0.67%

Nasdaq BX 2K

0.26%

0.29%

Cboe EDGA 2K

0.22%

0.38%

NYSE National 2K

0.22%

0.19%

NYSE American 2K

0.17%

0.15%

LTSE 2K

0.16%

0.11%

MIAX Pearl 916

0.10%

0.15%

Texas Stock Exchange LLC 905

0.09%

0.01%

Nasdaq PHLX 709

0.07%

0.21%

CHX 646

0.07%

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

OII Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 385,925, which is 40.35% of today's total volume.
Today's Lit volume is 570,570, which is 59.65%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.96%.
The average Lit volume has been 56.04%.

OII Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

Cboe BYX

MEMX

Nasdaq BX

Cboe EDGA