Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 843,884 |
| Open | 1.265 |
| Bid (Size) | 1.180 (3,200) |
| Ask (Size) | 1.190 (2,400) |
| Prev. Close | 1.290 |
| Today's Range | 1.180 - 1.275 |
| 52wk Range | 0.6900 - 1.950 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
39.2% below 52-week high
1.185
0.6952W Low
1.9552W High
1 Week
34.5% below 1-week high
1.211W Low
1.811W High
Quantum-Si Incorporated - Class A Common Stock (QSI) traded between $0.69 and $1.95 over the past 52 weeks and last traded at $1.19, 39.2% below its 52-week high. Over the past week it ranged between $1.21 and $1.81.
Past 12 Months
1W
-$0.56
1M
-$0.09
3M
+$0.43
6M
+$0.16
YTD
+$0.03
1Y
-$0.66
QSI was -35.6% over the past year, +15.0% over six months, +2.2% year to date, -32.3% in the last week.
12 Months vs Market
QSI
-35.6%
DIA
+13.3%
SPY
+12.5%
QQQ
+9.6%
IWM
+17.1%
Over the past 12 months QSI returned -35.6% versus DIA (Dow) +13.3%, SPY (S&P 500) +12.5%, QQQ (Nasdaq 100) +9.6% and IWM (Russell 2000) +17.1%.
Volume & Liquidity
0.14× 3-mo avg
Today 843,884
3-mo avg 6.2M
1W
7.5M
1M
10.0M
3M
6.2M
6M
5.8M
YTD
5.3M
1Y
5.3M
QSI most recently traded 843,884 shares against a 3-month average daily volume of 6.2M.
More News
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August 20, 2026
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August 13, 2026
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August 13, 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 1.185
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 11/05/26 09:42 AM ET
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