Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 6,878,303 |
| Open | 1.270 |
| Bid (Size) | 1.100 (300) |
| Ask (Size) | 1.130 (1,500) |
| Prev. Close | 1.290 |
| Today's Range | 1.080 - 1.275 |
| 52wk Range | 0.6900 - 1.890 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
38.1% below 52-week high
1.170
0.6952W Low
1.8952W High
1 Week
26.9% 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 $1.17, 38.1% below its 52-week high. Over the past week it ranged between $1.08 and $1.60.
Past 12 Months
1W
-$0.29
1M
-$0.05
3M
+$0.41
6M
+$0.19
YTD
+$0.01
1Y
-$0.63
QSI was -35.0% over the past year, +19.3% over six months, +0.9% year to date, -19.9% in the last week.
12 Months vs Market
QSI
-35.0%
DIA
+8.7%
SPY
+8.2%
QQQ
+3.8%
IWM
+10.7%
Over the past 12 months QSI returned -35.0% versus DIA (Dow) +8.7%, SPY (S&P 500) +8.2%, QQQ (Nasdaq 100) +3.8% and IWM (Russell 2000) +10.7%.
Volume & Liquidity
1.09× 3-mo avg
Today 6,878,303
3-mo avg 6.3M
1W
7.1M
1M
9.4M
3M
6.3M
6M
5.8M
YTD
5.3M
1Y
5.3M
QSI most recently traded 6,878,303 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 1.170
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 04:00 PM ET
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