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MASI
Masimo Corporation
stock NASDAQ

Inactive

Jun 9, 2026

179.95USD+0.006%(+0.01)3,160,101

Pre-market

0.00USD-100.000%(-179.94)0

After-hours

0.00USD0.000%(0.00)0

OverviewOptionsHistoricalDark Pool LevelsShortsMore

MASI Volume Dec 31, 1969

Exchange	Day%	Volume	30D%
Nasdaq GSM	65.88	2,081,906	40.14
Off Exchange¹	18.14	573,283	33.60
NYSE Arca	6.46	204,269	9.03
IEX	3.27	103,327	6.41
Cboe BZX	1.58	49,807	3.26
NYSE	0.95	29,917	1.43
MEMX	0.73	23,190	1.25
Cboe BYX	0.72	22,904	0.58
NYSE National	0.71	22,464	0.43
Cboe EDGX	0.67	21,032	2.11
Cboe EDGA	0.44	13,922	0.86
MIAX Pearl	0.19	5,922	0.49
Nasdaq BX	0.10	3,255	0.15
NYSE American	0.09	2,815	0.08
Nasdaq PHLX	0.05	1,667	0.13
24X National	0.01	200	0.03
CHX	0.01	200	0.04
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 Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 573,283, which is 18.14% of today's total volume.
Today's Lit volume is 2,586,797, which is 81.86%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 33.60%.
The average Lit volume has been 66.40%.

MASI Volume by Exchange

Nasdaq GSM

Off Exchange

NYSE Arca

IEX

Cboe BZX

NYSE

MEMX

Cboe BYX

NYSE National

Cboe EDGX

Cboe EDGA