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OSUR
OraSure Technologies Inc
stock NASDAQ

Market Open

Sep 30, 2026 12:53:54 PM EDT

3.91USD+2.356%(+0.09)213,836

3.90Bid 3.92Ask 0.02Spread

Pre-market

0.00USD-100.000%(-3.82)0

After-hours

0.00USD0.000%(0.00)0

OverviewOptionsHistoricalExchange VolumeShortsMore

OSUR Volume Sep 30, 2026 12:34:47 PM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	45.83	95,653	36.16
Nasdaq GSM	26.92	56,180	38.82
IEX	11.51	24,019	7.89
Cboe BZX	4.59	9,581	3.91
NYSE Arca	4.44	9,260	5.30
Cboe EDGX	2.87	5,993	2.75
NYSE	1.60	3,336	1.37
MEMX	0.72	1,500	0.91
MIAX Pearl	0.70	1,468	0.44
Cboe BYX	0.37	771	0.79
Nasdaq BX	0.14	300	0.22
CHX	0.13	262	0.09
Cboe EDGA	0.09	189	0.32
NYSE National	0.05	100	0.58
Nasdaq PHLX	0.04	87	0.05
Texas Stock Exchange LLC	0.00	0	0.29
NYSE American	0.00	0	0.09
24X National	0.00	0	0.03

chartexchange.com

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

OSUR Nutrition Facts

0.39 servings per container

Serving size

534.65K

Calories

208.70K

% Day

% Avg

Off Exchange¹ 96K

45.83%

36.16%

Nasdaq GSM 56K

26.92%

38.82%

IEX 24K

11.51%

7.89%

Cboe BZX 10K

4.59%

3.91%

NYSE Arca 9K

4.44%

5.30%

Cboe EDGX 6K

2.87%

2.75%

NYSE 3K

1.60%

1.37%

MEMX 2K

0.72%

0.91%

MIAX Pearl 1K

0.70%

0.44%

Cboe BYX 771

0.37%

0.79%

Nasdaq BX 300

0.14%

0.22%

CHX 262

0.13%

0.09%

Cboe EDGA 189

0.09%

0.32%

NYSE National 100

0.05%

0.58%

Nasdaq PHLX 87

0.04%

0.05%

Texas Stock Exchange LLC 0

0.00%

0.29%

NYSE American 0

0.00%

0.09%

24X National 0

0.00%

0.03%

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

chartexchange.com

OSUR Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 95,653, which is 45.83% of today's total volume.
Today's Lit volume is 113,046, which is 54.17%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 36.16%.
The average Lit volume has been 63.84%.

OSUR Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

NYSE

MEMX

MIAX Pearl

Cboe BYX

Nasdaq BX