Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 5,356,829 |
| Open | 1.145 |
| Bid (Size) | 1.070 (4,900) |
| Ask (Size) | 1.080 (4,900) |
| Prev. Close | 1.120 |
| Today's Range | 1.010 - 1.150 |
| 52wk Range | 0.6900 - 2.730 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
60.8% below 52-week high
1.070
0.6952W Low
2.7352W High
1 Week
27.5% below 1-week high
1.101W Low
1.481W 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 $1.07, 60.8% below its 52-week high. Over the past week it ranged between $1.10 and $1.48.
Past 12 Months
1W
-$0.29
1M
+$0.32
3M
+$0.25
6M
+$0.06
YTD
-$0.09
1Y
-$1.51
QSI was -58.6% over the past year, +5.9% over six months, -7.8% year to date, -21.3% in the last week.
12 Months vs Market
QSI
-58.6%
DIA
+11.1%
SPY
+14.3%
QQQ
+17.7%
IWM
+9.3%
Over the past 12 months QSI returned -58.6% versus DIA (Dow) +11.1%, SPY (S&P 500) +14.3%, QQQ (Nasdaq 100) +17.7% and IWM (Russell 2000) +9.3%.
Volume & Liquidity
1.04× 3-mo avg
Today 5,356,829
3-mo avg 5.1M
1W
7.8M
1M
10.6M
3M
5.1M
6M
5.5M
YTD
5.1M
1Y
5.4M
QSI most recently traded 5,356,829 shares against a 3-month average daily volume of 5.1M.
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
Quantum-Si Q1 Earnings Call Highlights ↗
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 1.070
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 10/19/26 01:13 PM ET
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