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QSI
Quantum-Si Incorporated Class A Common Stock
stock NASDAQ

At Close

Feb 10, 2026 3:59:51 PM EST

1.11USD+3.271%(+0.04)3,655,360

0.00Bid 0.00Ask 0.00Spread

Pre-market

Feb 10, 2026 9:28:30 AM EST

1.09USD+1.869%(+0.02)45,173

After-hours

Feb 10, 2026 4:57:30 PM EST

1.10USD-0.452%(-0.01)94,310

OverviewOptionsHistoricalDark Pool LevelsShortsMore

QSI Volume Feb 10, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	65.58	2,405,666	62.79
Nasdaq GSM	12.74	467,402	14.49
NYSE Arca	5.98	219,270	6.68
Cboe EDGX	3.48	127,622	4.47
IEX	3.00	110,037	2.28
NYSE	2.83	103,889	2.80
Cboe BZX	2.79	102,296	2.84
MEMX	1.03	37,769	1.32
MIAX Pearl	0.78	28,609	0.68
Cboe EDGA	0.57	20,881	0.45
Cboe BYX	0.52	18,958	0.56
NYSE American	0.35	12,766	0.09
Nasdaq BX	0.18	6,681	0.19
NYSE National	0.13	4,891	0.14
24X National Exchange LLC	0.03	1,254	0.01
Nasdaq PHLX	0.01	400	0.11
CHX	0.00	5	0.10

chartexchange.com

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

QSI Nutrition Facts

0.68 servings per container

Serving size

5.38M

Calories

3.67M

% Day

% Avg

Off Exchange¹ 2M

65.58%

62.79%

Nasdaq GSM 467K

12.74%

14.49%

NYSE Arca 219K

5.98%

6.68%

Cboe EDGX 128K

3.48%

4.47%

IEX 110K

3.00%

2.28%

NYSE 104K

2.83%

2.80%

Cboe BZX 102K

2.79%

2.84%

MEMX 38K

1.03%

1.32%

MIAX Pearl 29K

0.78%

0.68%

Cboe EDGA 21K

0.57%

0.45%

Cboe BYX 19K

0.52%

0.56%

NYSE American 13K

0.35%

0.09%

Nasdaq BX 7K

0.18%

0.19%

NYSE National 5K

0.13%

0.14%

24X National Exchange LLC 1K

0.03%

0.01%

Nasdaq PHLX 400

0.01%

0.11%

CHX 5

0.00%

0.10%

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

chartexchange.com

QSI Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 2,405,666, which is 65.58% of today's total volume.
Today's Lit volume is 1,262,730, which is 34.42%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 62.79%.
The average Lit volume has been 37.21%.

QSI Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe EDGX

IEX

NYSE

Cboe BZX

MEMX

MIAX Pearl

Cboe EDGA

Cboe BYX