Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 268,941 |
| Open | 1.220 |
| Bid (Size) | 1.160 (100) |
| Ask (Size) | 1.170 (1,000) |
| Prev. Close | 1.220 |
| Today's Range | 1.220 - 1.220 |
| 52wk Range | 0.6900 - 3.100 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
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Performance
52-Week Range
60.6% below 52-week high
1.220
0.6952W Low
3.1052W High
1 Week
21.3% below 1-week high
0.961W Low
1.551W High
Quantum-Si Incorporated - Class A Common Stock (QSI) traded between $0.69 and $3.10 over the past 52 weeks and last traded at $1.22, 60.6% below its 52-week high. Over the past week it ranged between $0.96 and $1.55.
Past 12 Months
1W
+$0.15
1M
+$0.46
3M
+$0.30
6M
+$0.51
YTD
+$0.06
1Y
-$0.59
QSI was -32.6% over the past year, +71.5% over six months, +5.2% year to date, +14.0% in the last week.
12 Months vs Market
QSI
-32.6%
DIA
+10.2%
SPY
+16.0%
QQQ
+25.0%
IWM
+14.0%
Over the past 12 months QSI returned -32.6% versus DIA (Dow) +10.2%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +25.0% and IWM (Russell 2000) +14.0%.
Volume & Liquidity
0.07× 3-mo avg
Today 268,941
3-mo avg 4.0M
1W
18.7M
1M
6.7M
3M
4.0M
6M
5.1M
YTD
4.8M
1Y
6.0M
QSI most recently traded 268,941 shares against a 3-month average daily volume of 4.0M.
More News
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May 08, 2026
Quantum-Si (QSI) Q1 2026 Earnings Transcript ↗
May 07, 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 1.220
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 10/06/26 04:00 PM ET