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OSIS
OSI Systems Inc
stock NASDAQ

At Close

Sep 4, 2026 3:59:54 PM EDT

204.20USD-1.171%(-2.42)204,889

0.00Bid 0.00Ask 0.00Spread

Pre-market

Aug 31, 2026 9:29:59 AM EDT

208.09USD+0.709%(+1.47)0

After-hours

Sep 4, 2026 4:00:30 PM EDT

204.15USD-0.024%(-0.05)35,069

OverviewOptionsHistoricalExchange VolumeShortsMore

OSIS Volume Sep 4, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	42.72	87,528	45.96
Nasdaq GSM	37.73	77,300	30.75
IEX	5.25	10,753	6.10
NYSE Arca	4.04	8,273	6.86
Cboe BZX	3.58	7,339	2.99
NYSE	1.95	3,986	1.13
Cboe EDGX	1.41	2,893	2.35
MIAX Pearl	0.72	1,484	0.30
MEMX	0.69	1,417	0.93
Cboe BYX	0.64	1,319	0.77
Cboe EDGA	0.38	788	0.37
NYSE National	0.29	584	0.44
NYSE American	0.22	448	0.17
LTSE	0.19	391	0.05
Nasdaq PHLX	0.12	244	0.26
Nasdaq BX	0.06	124	0.50
CHX	0.00	2	0.10
Texas Stock Exchange LLC	0.00	0	0.00
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.

OSIS Nutrition Facts

0.79 servings per container

Serving size

257.71K

Calories

204.87K

% Day

% Avg

Off Exchange¹ 88K

42.72%

45.96%

Nasdaq GSM 77K

37.73%

30.75%

IEX 11K

5.25%

6.10%

NYSE Arca 8K

4.04%

6.86%

Cboe BZX 7K

3.58%

2.99%

NYSE 4K

1.95%

1.13%

Cboe EDGX 3K

1.41%

2.35%

MIAX Pearl 1K

0.72%

0.30%

MEMX 1K

0.69%

0.93%

Cboe BYX 1K

0.64%

0.77%

Cboe EDGA 788

0.38%

0.37%

NYSE National 584

0.29%

0.44%

NYSE American 448

0.22%

0.17%

LTSE 391

0.19%

0.05%

Nasdaq PHLX 244

0.12%

0.26%

Nasdaq BX 124

0.06%

0.50%

CHX 2

0.00%

0.10%

Texas Stock Exchange LLC 0

0.00%

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

OSIS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 87,528, which is 42.72% of today's total volume.
Today's Lit volume is 117,345, which is 57.28%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.96%.
The average Lit volume has been 54.04%.

OSIS Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

NYSE

Cboe EDGX

MIAX Pearl

MEMX

Cboe BYX

Cboe EDGA