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MASI
Masimo Corporation
stock NASDAQ

Market Open

Jun 9, 2026 12:17:42 PM EDT

179.96USD+0.011%(+0.02)330,909

179.96Bid 179.97Ask 0.01Spread

Pre-market

Jun 9, 2026 9:28:30 AM EDT

179.99USD+0.028%(+0.05)3,541

After-hours

Jun 8, 2026 4:53:30 PM EDT

179.94USD-0.011%(-0.02)0

OverviewOptionsHistoricalExchange VolumeShortsMore

MASI Volume Jun 9, 2026 11:55:03 AM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	40.96	123,117	35.51
Nasdaq GSM	24.07	72,359	36.91
NYSE Arca	9.84	29,585	9.34
IEX	7.81	23,480	6.80
Cboe BZX	4.53	13,611	3.47
Cboe BYX	2.68	8,051	0.58
Cboe EDGX	2.55	7,667	2.29
NYSE	2.51	7,547	1.50
Cboe EDGA	2.05	6,173	0.92
NYSE National	1.31	3,944	0.41
NYSE American	0.52	1,578	0.08
Nasdaq PHLX	0.52	1,566	0.14
MEMX	0.43	1,300	1.30
MIAX Pearl	0.18	534	0.52
Nasdaq BX	0.02	75	0.15
CHX	0.00	0	0.04
24X National	0.00	0	0.03
LTSE	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.

MASI Nutrition Facts

0.34 servings per container

Serving size

897.08K

Calories

300.59K

% Day

% Avg

Off Exchange¹ 123K

40.96%

35.51%

Nasdaq GSM 72K

24.07%

36.91%

NYSE Arca 30K

9.84%

9.34%

IEX 23K

7.81%

6.80%

Cboe BZX 14K

4.53%

3.47%

Cboe BYX 8K

2.68%

0.58%

Cboe EDGX 8K

2.55%

2.29%

NYSE 8K

2.51%

1.50%

Cboe EDGA 6K

2.05%

0.92%

NYSE National 4K

1.31%

0.41%

NYSE American 2K

0.52%

0.08%

Nasdaq PHLX 2K

0.52%

0.14%

MEMX 1K

0.43%

1.30%

MIAX Pearl 534

0.18%

0.52%

Nasdaq BX 75

0.02%

0.15%

CHX 0

0.00%

0.04%

24X National 0

0.00%

0.03%

LTSE 0

0.00%

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

chartexchange.com

MASI Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 123,117, which is 40.96% of today's total volume.
Today's Lit volume is 177,470, which is 59.04%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 35.51%.
The average Lit volume has been 64.49%.

MASI Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe BYX

Cboe EDGX

NYSE

Cboe EDGA

NYSE National

NYSE American