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

1.420 -0.110 (-7.18%)
Delayed Quote Updated: 10:05 AM EDT, Oct 12, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 3,632,695
Open 1.475
Bid (Size) 1.420 (17,300)
Ask (Size) 1.430 (7,700)
Prev. Close 1.530
Today's Range 1.390 - 1.475
52wk Range 0.6900 - 3.100
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 54.2% below 52-week high
1.420
0.6952W Low 3.1052W High
1 Week 14.4% below 1-week high
1.091W Low 1.661W 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 $1.42, 54.2% below its 52-week high. Over the past week it ranged between $1.09 and $1.66.

Past 12 Months
+11.0%
+91.9%
+63.4%
+80.1%
+22.4%
-31.7%
1W +$0.14
1M +$0.68
3M +$0.55
6M +$0.63
YTD +$0.26
1Y -$0.66

QSI was -31.7% over the past year, +80.1% over six months, +22.4% year to date, +11.0% in the last week.

12 Months vs Market
QSI
-31.7%
DIA
+12.3%
SPY
+17.4%
QQQ
+24.1%
IWM
+13.7%

Over the past 12 months QSI returned -31.7% versus DIA (Dow) +12.3%, SPY (S&P 500) +17.4%, QQQ (Nasdaq 100) +24.1% and IWM (Russell 2000) +13.7%.

Volume & Liquidity 0.77× 3-mo avg
Today 3,632,695 3-mo avg 4.7M
1W
16.5M
1M
9.1M
3M
4.7M
6M
5.5M
YTD
5.0M
1Y
6.0M

QSI most recently traded 3,632,695 shares against a 3-month average daily volume of 4.7M.

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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 1.420
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 10/12/26 10:05 AM ET
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