Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 8,216,380 |
| Open | 1.180 |
| Bid (Size) | 1.300 (2,500) |
| Ask (Size) | 1.330 (3,300) |
| Prev. Close | 1.170 |
| Today's Range | 1.180 - 1.450 |
| 52wk Range | 0.6900 - 1.890 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
29.6% below 52-week high
1.330
0.6952W Low
1.8952W High
1 Week
16.9% below 1-week high
1.081W Low
1.601W High
Quantum-Si Incorporated - Class A Common Stock (QSI) traded between $0.69 and $1.89 over the past 52 weeks and last traded at $1.33, 29.6% below its 52-week high. Over the past week it ranged between $1.08 and $1.60.
Past 12 Months
1W
-$0.13
1M
+$0.11
3M
+$0.58
6M
+$0.35
YTD
+$0.17
1Y
-$0.47
QSI was -26.1% over the past year, +35.6% over six months, +14.7% year to date, -8.9% in the last week.
12 Months vs Market
QSI
-26.1%
DIA
+8.3%
SPY
+8.5%
QQQ
+5.3%
IWM
+11.8%
Over the past 12 months QSI returned -26.1% versus DIA (Dow) +8.3%, SPY (S&P 500) +8.5%, QQQ (Nasdaq 100) +5.3% and IWM (Russell 2000) +11.8%.
Volume & Liquidity
1.30× 3-mo avg
Today 8,216,380
3-mo avg 6.3M
1W
7.3M
1M
9.4M
3M
6.3M
6M
5.8M
YTD
5.3M
1Y
5.3M
QSI most recently traded 8,216,380 shares against a 3-month average daily volume of 6.3M.
More News
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August 20, 2026
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August 13, 2026
Full Transcript: Quantum-Si Q2 2026 Earnings Call ↗
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 1.330
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 11/06/26 04:00 PM ET
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