Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 7,690,625 |
| Open | 1.330 |
| Bid (Size) | 1.110 (1,800) |
| Ask (Size) | 1.120 (2,900) |
| Prev. Close | 1.310 |
| Today's Range | 1.100 - 1.330 |
| 52wk Range | 0.6900 - 3.100 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
63.9% below 52-week high
1.120
0.6952W Low
3.1052W High
1 Week
24.1% below 1-week high
1.101W 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 $1.12, 63.9% below its 52-week high. Over the past week it ranged between $1.10 and $1.48.
Past 12 Months
1W
-$0.24
1M
+$0.39
3M
+$0.30
6M
+$0.05
YTD
-$0.04
1Y
-$1.42
QSI was -55.9% over the past year, +4.7% over six months, -3.4% year to date, -17.6% in the last week.
12 Months vs Market
QSI
-55.9%
DIA
+13.0%
SPY
+15.5%
QQQ
+18.3%
IWM
+10.4%
Over the past 12 months QSI returned -55.9% versus DIA (Dow) +13.0%, SPY (S&P 500) +15.5%, QQQ (Nasdaq 100) +18.3% and IWM (Russell 2000) +10.4%.
Volume & Liquidity
1.51× 3-mo avg
Today 7,690,625
3-mo avg 5.1M
1W
7.8M
1M
9.8M
3M
5.1M
6M
5.5M
YTD
5.1M
1Y
5.6M
QSI most recently traded 7,690,625 shares against a 3-month average daily volume of 5.1M.
More News
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Quantum-Si (QSI) Q2 2026 Earnings Call Transcript ↗
August 20, 2026
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August 13, 2026
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August 13, 2026
Quantum-Si Q1 Earnings Call Highlights ↗
May 08, 2026
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 1.120
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 10/16/26 04:00 PM ET
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