Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 18,613,523 |
| Open | 1.380 |
| Bid (Size) | 1.500 (9,600) |
| Ask (Size) | 1.530 (12,000) |
| Prev. Close | 1.430 |
| Today's Range | 1.170 - 1.550 |
| 52wk Range | 0.6900 - 3.100 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
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Performance
52-Week Range
50.0% below 52-week high
1.550
0.6952W Low
3.1052W High
1 Week
0.781W Low
1.481W 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 $1.55, 50.0% below its 52-week high. Over the past week it ranged between $0.78 and $1.48.
Past 12 Months
1W
+$0.72
1M
+$0.79
3M
+$0.62
6M
+$0.80
YTD
+$0.39
1Y
+$0.09
QSI was +6.2% over the past year, +107.3% over six months, +33.6% year to date, +85.8% in the last week.
12 Months vs Market
QSI
+6.2%
DIA
+10.1%
SPY
+15.1%
QQQ
+24.3%
IWM
+16.1%
Over the past 12 months QSI returned +6.2% versus DIA (Dow) +10.1%, SPY (S&P 500) +15.1%, QQQ (Nasdaq 100) +24.3% and IWM (Russell 2000) +16.1%.
Volume & Liquidity
5.34× 3-mo avg
Today 18,613,523
3-mo avg 3.5M
1W
14.8M
1M
4.5M
3M
3.5M
6M
4.8M
YTD
4.6M
1Y
5.9M
QSI most recently traded 18,613,523 shares against a 3-month average daily volume of 3.5M.
More News
Read More
Thursday's session: gap up and gap down stocks ↗
October 01, 2026
These stocks are moving in today's session ↗
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
Quantum-Si Q1 Earnings Call Highlights ↗
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 1.550
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 10/02/26 04:00 PM ET
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