Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 418,987 |
| Open | 1.260 |
| Bid (Size) | 1.220 (1,900) |
| Ask (Size) | 1.230 (2,600) |
| Prev. Close | 1.290 |
| Today's Range | 1.220 - 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
36.9% below 52-week high
1.230
0.6952W Low
1.9552W High
1 Week
32.0% 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 $1.23, 36.9% below its 52-week high. Over the past week it ranged between $1.21 and $1.81.
Past 12 Months
1W
-$0.52
1M
-$0.05
3M
+$0.47
6M
+$0.20
YTD
+$0.07
1Y
-$0.61
QSI was -33.2% over the past year, +19.4% over six months, +6.0% year to date, -29.7% in the last week.
12 Months vs Market
QSI
-33.2%
DIA
+13.9%
SPY
+13.3%
QQQ
+10.4%
IWM
+17.6%
Over the past 12 months QSI returned -33.2% versus DIA (Dow) +13.9%, SPY (S&P 500) +13.3%, QQQ (Nasdaq 100) +10.4% and IWM (Russell 2000) +17.6%.
Volume & Liquidity
0.07× 3-mo avg
Today 418,987
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 418,987 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 1.230
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 09:33 AM ET
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