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OPK
Opko Health Inc.
stock NASDAQ

At Close

Sep 15, 2026 3:57:38 PM EDT

1.57USD+0.321%(+0.01)1,422,041

1.35Bid 1.79Ask 0.44Spread

Pre-market

Sep 15, 2026 8:38:30 AM EDT

1.58USD+1.282%(+0.02)2,103

After-hours

Sep 11, 2026 4:34:30 PM EDT

1.56USD-0.319%(-0.01)0

OverviewOptionsHistoricalExchange VolumeShortsMore

OPK Volume Sep 15, 2026 3:45:01 PM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	42.24	461,785	43.00
Nasdaq GSM	28.65	313,224	25.66
IEX	9.16	100,173	7.15
NYSE Arca	9.02	98,576	7.56
Cboe BZX	3.09	33,836	3.65
MIAX Pearl	2.39	26,128	0.44
NYSE National	1.55	16,946	0.61
Cboe EDGX	1.42	15,471	3.33
Cboe BYX	1.09	11,914	1.67
NYSE	0.71	7,755	5.02
Cboe EDGA	0.34	3,674	0.54
MEMX	0.32	3,500	0.68
Nasdaq BX	0.02	255	0.24
Nasdaq PHLX	0.00	24	0.15
CHX	0.00	11	0.05
NYSE American	0.00	9	0.09
24X National	0.00	1	0.02
Texas Stock Exchange LLC	0.00	0	0.14

chartexchange.com

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

OPK Nutrition Facts

0.37 servings per container

Serving size

2.93M

Calories

1.09M

% Day

% Avg

Off Exchange¹ 462K

42.24%

43.00%

Nasdaq GSM 313K

28.65%

25.66%

IEX 100K

9.16%

7.15%

NYSE Arca 99K

9.02%

7.56%

Cboe BZX 34K

3.09%

3.65%

MIAX Pearl 26K

2.39%

0.44%

NYSE National 17K

1.55%

0.61%

Cboe EDGX 15K

1.42%

3.33%

Cboe BYX 12K

1.09%

1.67%

NYSE 8K

0.71%

5.02%

Cboe EDGA 4K

0.34%

0.54%

MEMX 4K

0.32%

0.68%

Nasdaq BX 255

0.02%

0.24%

Nasdaq PHLX 24

0.00%

0.15%

CHX 11

0.00%

0.05%

NYSE American 9

0.00%

0.09%

24X National 1

0.00%

0.02%

Texas Stock Exchange LLC 0

0.00%

0.14%

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

chartexchange.com

OPK Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 461,785, which is 42.24% of today's total volume.
Today's Lit volume is 631,497, which is 57.76%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.00%.
The average Lit volume has been 57.00%.

OPK Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

MIAX Pearl

NYSE National

Cboe EDGX

Cboe BYX

NYSE

Cboe EDGA