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OSUR
OraSure Technologies Inc
stock NASDAQ

At Close

Sep 30, 2026 3:59:56 PM EDT

3.93USD+2.880%(+0.11)837,476

3.13Bid 5.31Ask 2.18Spread

Pre-market

0.00USD-100.000%(-3.82)0

After-hours

Sep 30, 2026 4:27:30 PM EDT

3.92USD-0.254%(-0.01)3,015

OverviewOptionsHistoricalExchange VolumeShortsMore

OSUR Volume Sep 30, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	49.87	367,697	36.65
Nasdaq GSM	23.41	172,606	38.27
IEX	8.26	60,928	7.86
NYSE Arca	8.09	59,633	5.43
Cboe BZX	3.34	24,644	3.87
Cboe EDGX	2.11	15,530	2.72
NYSE	1.13	8,296	1.36
Cboe BYX	1.06	7,844	0.81
MIAX Pearl	0.93	6,889	0.46
MEMX	0.58	4,272	0.89
NYSE National	0.34	2,499	0.57
Cboe EDGA	0.22	1,604	0.32
Nasdaq BX	0.20	1,470	0.22
Texas Stock Exchange LLC	0.18	1,319	0.29
CHX	0.17	1,259	0.09
NYSE American	0.04	300	0.09
24X National	0.04	300	0.03
Nasdaq PHLX	0.03	242	0.05

chartexchange.com

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

OSUR Nutrition Facts

1.38 servings per container

Serving size

534.65K

Calories

737.33K

% Day

% Avg

Off Exchange¹ 368K

49.87%

36.65%

Nasdaq GSM 173K

23.41%

38.27%

IEX 61K

8.26%

7.86%

NYSE Arca 60K

8.09%

5.43%

Cboe BZX 25K

3.34%

3.87%

Cboe EDGX 16K

2.11%

2.72%

NYSE 8K

1.13%

1.36%

Cboe BYX 8K

1.06%

0.81%

MIAX Pearl 7K

0.93%

0.46%

MEMX 4K

0.58%

0.89%

NYSE National 2K

0.34%

0.57%

Cboe EDGA 2K

0.22%

0.32%

Nasdaq BX 1K

0.20%

0.22%

Texas Stock Exchange LLC 1K

0.18%

0.29%

CHX 1K

0.17%

0.09%

NYSE American 300

0.04%

0.09%

24X National 300

0.04%

0.03%

Nasdaq PHLX 242

0.03%

0.05%

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 367,697, which is 49.87% of today's total volume.
Today's Lit volume is 369,635, which is 50.13%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 36.65%.
The average Lit volume has been 63.35%.

OSUR Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

Cboe BYX

MIAX Pearl

MEMX

NYSE National