Financial News
Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 3,413,467 |
| Open | 1.160 |
| Bid (Size) | 1.190 (2,000) |
| Ask (Size) | 1.210 (2,400) |
| Prev. Close | 1.160 |
| Today's Range | 1.160 - 1.230 |
| 52wk Range | 0.6900 - 2.730 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
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Performance
52-Week Range
54.9% below 52-week high
1.230
0.6952W Low
2.7352W High
1 Week
14.6% below 1-week high
1.011W Low
1.441W High
Quantum-Si Incorporated - Class A Common Stock (QSI) traded between $0.69 and $2.73 over the past 52 weeks and last traded at $1.23, 54.9% below its 52-week high. Over the past week it ranged between $1.01 and $1.44.
Past 12 Months
1W
-$0.16
1M
+$0.47
3M
+$0.39
6M
+$0.25
YTD
+$0.07
1Y
-$1.35
QSI was -52.4% over the past year, +25.9% over six months, +6.0% year to date, -11.5% in the last week.
12 Months vs Market
QSI
-52.4%
DIA
+13.0%
SPY
+15.2%
QQQ
+18.6%
IWM
+11.4%
Over the past 12 months QSI returned -52.4% versus DIA (Dow) +13.0%, SPY (S&P 500) +15.2%, QQQ (Nasdaq 100) +18.6% and IWM (Russell 2000) +11.4%.
Volume & Liquidity
0.65× 3-mo avg
Today 3,413,467
3-mo avg 5.2M
1W
6.8M
1M
10.4M
3M
5.2M
6M
5.5M
YTD
5.1M
1Y
5.4M
QSI most recently traded 3,413,467 shares against a 3-month average daily volume of 5.2M.
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August 13, 2026
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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 1.230
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 10/21/26 04:00 PM ET
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