Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 3,585,757 |
| Open | 1.230 |
| Bid (Size) | 1.150 (4,200) |
| Ask (Size) | 1.180 (200) |
| Prev. Close | 1.220 |
| Today's Range | 1.140 - 1.230 |
| 52wk Range | 0.6900 - 1.810 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
36.5% below 52-week high
1.150
0.6952W Low
1.8152W High
1 Week
20.7% below 1-week high
1.141W Low
1.451W High
Quantum-Si Incorporated - Class A Common Stock (QSI) traded between $0.69 and $1.81 over the past 52 weeks and last traded at $1.15, 36.5% below its 52-week high. Over the past week it ranged between $1.14 and $1.45.
Past 12 Months
1W
-$0.22
1M
-$0.16
3M
+$0.41
6M
+$0.30
YTD
-$0.01
1Y
-$0.22
QSI was -16.1% over the past year, +34.7% over six months, -0.9% year to date, -16.1% in the last week.
12 Months vs Market
QSI
-16.1%
DIA
+10.9%
SPY
+12.3%
QQQ
+11.7%
IWM
+16.9%
Over the past 12 months QSI returned -16.1% versus DIA (Dow) +10.9%, SPY (S&P 500) +12.3%, QQQ (Nasdaq 100) +11.7% and IWM (Russell 2000) +16.9%.
Volume & Liquidity
0.54× 3-mo avg
Today 3,585,757
3-mo avg 6.6M
1W
5.4M
1M
7.6M
3M
6.6M
6M
5.7M
YTD
5.3M
1Y
5.2M
QSI most recently traded 3,585,757 shares against a 3-month average daily volume of 6.6M.
More News
Read More
Quantum-Si Q3 Earnings Call Highlights ↗
November 06, 2026
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October 09, 2026
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October 06, 2026
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October 01, 2026
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October 01, 2026
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September 29, 2026
Quantum-Si (QSI) Q2 2026 Earnings Call Transcript ↗
August 20, 2026
Quantum-Si Q2 Earnings Call Highlights ↗
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 1.150
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 11/13/26 04:00 PM ET
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