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OSIS
OSI Systems Inc
stock NASDAQ

At Close

Jul 17, 2026 3:59:57 PM EDT

212.28USD-1.822%(-3.94)217,205

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-216.22)0

After-hours

Jul 17, 2026 4:09:30 PM EDT

212.66USD+0.179%(+0.38)50,967

OverviewOptionsHistoricalExchange VolumeShortsMore

OSIS Volume Jul 17, 2026

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	41.46	90,055	39.79
Off Exchange¹	28.80	62,555	38.63
IEX	7.99	17,364	5.75
NYSE Arca	6.60	14,338	4.87
Cboe BZX	5.68	12,328	3.38
Cboe EDGX	2.76	5,995	1.91
Cboe BYX	1.36	2,946	0.84
NYSE	1.21	2,632	0.97
MEMX	0.89	1,926	1.31
MIAX Pearl	0.76	1,650	0.38
Nasdaq BX	0.67	1,466	0.78
NYSE National	0.59	1,276	0.39
LTSE	0.38	826	0.09
Cboe EDGA	0.33	719	0.43
NYSE American	0.31	682	0.15
Nasdaq PHLX	0.17	368	0.28
CHX	0.03	61	0.05
24X National	0.00	1	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

0.89 servings per container

Serving size

245.34K

Calories

217.19K

% Day

% Avg

Nasdaq GSM 90K

41.46%

39.79%

Off Exchange¹ 63K

28.80%

38.63%

IEX 17K

7.99%

5.75%

NYSE Arca 14K

6.60%

4.87%

Cboe BZX 12K

5.68%

3.38%

Cboe EDGX 6K

2.76%

1.91%

Cboe BYX 3K

1.36%

0.84%

NYSE 3K

1.21%

0.97%

MEMX 2K

0.89%

1.31%

MIAX Pearl 2K

0.76%

0.38%

Nasdaq BX 1K

0.67%

0.78%

NYSE National 1K

0.59%

0.39%

LTSE 826

0.38%

0.09%

Cboe EDGA 719

0.33%

0.43%

NYSE American 682

0.31%

0.15%

Nasdaq PHLX 368

0.17%

0.28%

CHX 61

0.03%

0.05%

24X National 1

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 62,555, which is 28.80% of today's total volume.
Today's Lit volume is 154,633, which is 71.20%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 38.63%.
The average Lit volume has been 61.37%.

OSIS Volume by Exchange

Nasdaq GSM

Off Exchange

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

Cboe BYX

NYSE

MEMX

MIAX Pearl

Nasdaq BX