Dark

OII
Oceaneering International Inc.
stock NYSE

At Close

Jul 24, 2026 3:59:56 PM EDT

52.77USD+9.892%(+4.75)3,959,676

0.00Bid 0.00Ask 0.00Spread

Pre-market

Jul 24, 2026 9:21:30 AM EDT

48.30USD+0.583%(+0.28)1,297

After-hours

Jul 24, 2026 4:58:30 PM EDT

54.37USD+3.040%(+1.60)300,568

OverviewOptionsHistoricalExchange VolumeShortsMore

OII Volume Jul 24, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	46.62	1,845,872	40.79
NYSE	18.98	751,625	35.08
Nasdaq GSM	14.03	555,470	8.59
IEX	6.48	256,619	4.77
NYSE Arca	3.48	137,890	2.66
Cboe BZX	3.38	133,808	2.95
Cboe EDGX	2.27	89,793	1.95
MEMX	1.40	55,252	0.92
Cboe EDGA	1.04	41,162	0.46
Cboe BYX	0.62	24,734	0.49
NYSE National	0.40	15,898	0.22
Nasdaq BX	0.39	15,385	0.30
MIAX Pearl	0.27	10,814	0.21
NYSE American	0.21	8,501	0.16
LTSE	0.18	6,945	0.14
Nasdaq PHLX	0.11	4,418	0.11
Texas Stock Exchange LLC	0.07	2,695	0.01
CHX	0.07	2,674	0.18
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.

OII Nutrition Facts

3.08 servings per container

Serving size

1.28M

Calories

3.96M

% Day

% Avg

Off Exchange¹ 2M

46.62%

40.79%

NYSE 752K

18.98%

35.08%

Nasdaq GSM 555K

14.03%

8.59%

IEX 257K

6.48%

4.77%

NYSE Arca 138K

3.48%

2.66%

Cboe BZX 134K

3.38%

2.95%

Cboe EDGX 90K

2.27%

1.95%

MEMX 55K

1.40%

0.92%

Cboe EDGA 41K

1.04%

0.46%

Cboe BYX 25K

0.62%

0.49%

NYSE National 16K

0.40%

0.22%

Nasdaq BX 15K

0.39%

0.30%

MIAX Pearl 11K

0.27%

0.21%

NYSE American 9K

0.21%

0.16%

LTSE 7K

0.18%

0.14%

Nasdaq PHLX 4K

0.11%

Texas Stock Exchange LLC 3K

0.07%

0.01%

CHX 3K

0.07%

0.18%

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

OII Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 1,845,872, which is 46.62% of today's total volume.
Today's Lit volume is 2,113,683, which is 53.38%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.79%.
The average Lit volume has been 59.21%.

OII Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

MEMX

Cboe EDGA

Cboe BYX

NYSE National