Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
0.7774
+0.0473
(+6.48%)
Streaming Delayed Price
Updated: 2:26 PM EDT, Sep 17, 2026
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Price and Volume
Detailed Quote| Volume | 2,321,637 |
| Open | 0.7495 |
| Bid (Size) | 0.7759 (300) |
| Ask (Size) | 0.7789 (300) |
| Prev. Close | 0.7301 |
| Today's Range | 0.7495 - 0.7963 |
| 52wk Range | 0.6900 - 3.100 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
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Performance
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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
Quantum-Si Announces the Start of the Proteus™ Roadshow
April 06, 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 0.7774
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 09/17/26 02:26 PM ET
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