Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)

1.430 -0.000 (-0.01%)
Delayed Quote Updated: 1:00 PM EDT, Oct 2, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 11,734,827
Open 1.385
Bid (Size) 1.420 (9,300)
Ask (Size) 1.430 (2,000)
Prev. Close 1.430
Today's Range 1.170 - 1.450
52wk Range 0.6900 - 3.100
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 53.9% below 52-week high
1.430
0.6952W Low 3.1052W High
1 Week 3.4% below 1-week high
0.781W Low 1.481W High

Quantum-Si Incorporated - Class A Common Stock (QSI) traded between $0.69 and $3.10 over the past 52 weeks and last traded at $1.43, 53.9% below its 52-week high. Over the past week it ranged between $0.78 and $1.48.

Past 12 Months
+71.4%
+88.8%
+53.7%
+91.2%
+23.3%
-2.1%
1W +$0.60
1M +$0.67
3M +$0.50
6M +$0.68
YTD +$0.27
1Y -$0.03

QSI was -2.1% over the past year, +91.2% over six months, +23.3% year to date, +71.4% in the last week.

12 Months vs Market
QSI
-2.1%
DIA
+10.0%
SPY
+15.1%
QQQ
+24.3%
IWM
+16.1%

Over the past 12 months QSI returned -2.1% versus DIA (Dow) +10.0%, SPY (S&P 500) +15.1%, QQQ (Nasdaq 100) +24.3% and IWM (Russell 2000) +16.1%.

Volume & Liquidity 3.37× 3-mo avg
Today 11,734,827 3-mo avg 3.5M
1W
14.8M
1M
4.5M
3M
3.5M
6M
4.8M
YTD
4.6M
1Y
5.9M

QSI most recently traded 11,734,827 shares against a 3-month average daily volume of 3.5M.

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Frequently Asked Questions

Is Quantum-Si Incorporated - Class A Common Stock publicly traded?
Yes, Quantum-Si Incorporated - Class A Common Stock is publicly traded.
What exchange does Quantum-Si Incorporated - Class A Common Stock trade on?
Quantum-Si Incorporated - Class A Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Quantum-Si Incorporated - Class A Common Stock?
The ticker symbol for Quantum-Si Incorporated - Class A Common Stock is QSI on the Nasdaq Stock Market
What is the current price of Quantum-Si Incorporated - Class A Common Stock?
The current price of Quantum-Si Incorporated - Class A Common Stock is 1.430
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 10/02/26 01:00 PM ET
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