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CTKB
Cytek Biosciences, Inc. Common Stock
stock NASDAQ

At Close

Aug 5, 2026 3:59:59 PM EDT

4.14USD-3.044%(-0.13)992,969

3.61Bid 4.16Ask 0.55Spread

Pre-market

Aug 4, 2026 9:22:30 AM EDT

4.45USD+3.248%(+0.14)0

After-hours

Aug 5, 2026 4:32:30 PM EDT

4.20USD+1.449%(+0.06)1,413

OverviewOptionsHistoricalExchange VolumeShortsMore

CTKB Volume Aug 5, 2026

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Exchange	Day%	Volume	30D%
Nasdaq GSM	33.11	267,393	41.87
Off Exchange¹	22.53	181,952	28.19
Cboe EDGX	11.47	92,606	3.46
NYSE Arca	8.72	70,391	7.44
IEX	8.33	67,279	8.15
Cboe BZX	4.31	34,829	3.90
NYSE	3.22	25,982	1.82
MEMX	2.62	21,125	1.30
Cboe EDGA	1.81	14,580	0.84
MIAX Pearl	1.35	10,939	0.45
Cboe BYX	1.04	8,399	0.88
NYSE National	0.56	4,546	1.05
NYSE American	0.39	3,179	0.14
CHX	0.28	2,258	0.17
Nasdaq BX	0.19	1,526	0.21
24X National	0.06	500	0.02
Nasdaq PHLX	0.00	40	0.09
LTSE	0.00	0	0.00
Texas Stock Exchange LLC	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.

CTKB Nutrition Facts

0.83 servings per container

Serving size

968.78K

Calories

807.52K

% Day

% Avg

Nasdaq GSM 267K

33.11%

41.87%

Off Exchange¹ 182K

22.53%

28.19%

Cboe EDGX 93K

11.47%

3.46%

NYSE Arca 70K

8.72%

7.44%

IEX 67K

8.33%

8.15%

Cboe BZX 35K

4.31%

3.90%

NYSE 26K

3.22%

1.82%

MEMX 21K

2.62%

1.30%

Cboe EDGA 15K

1.81%

0.84%

MIAX Pearl 11K

1.35%

0.45%

Cboe BYX 8K

1.04%

0.88%

NYSE National 5K

0.56%

1.05%

NYSE American 3K

0.39%

0.14%

CHX 2K

0.28%

0.17%

Nasdaq BX 2K

0.19%

0.21%

24X National 500

0.06%

0.02%

Nasdaq PHLX 40

0.00%

0.09%

LTSE 0

0.00%

Texas Stock Exchange LLC 0

0.00%

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

chartexchange.com

CTKB Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 181,952, which is 22.53% of today's total volume.
Today's Lit volume is 625,572, which is 77.47%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 28.19%.
The average Lit volume has been 71.81%.

CTKB Volume by Exchange

Nasdaq GSM

Off Exchange

Cboe EDGX

NYSE Arca

IEX

Cboe BZX

NYSE

MEMX

Cboe EDGA

MIAX Pearl

Cboe BYX