Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
Price and Volume
Detailed Quote| Volume | 8,820,292 |
| Open | 1.475 |
| Bid (Size) | 1.360 (6,700) |
| Ask (Size) | 1.370 (6,700) |
| Prev. Close | 1.530 |
| Today's Range | 1.340 - 1.475 |
| 52wk Range | 0.6900 - 3.100 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
Top News
More News
These stocks are moving in today's session ↗
October 09, 2026
Performance
52-Week Range
56.0% below 52-week high
1.365
0.6952W Low
3.1052W High
1 Week
17.8% below 1-week high
1.091W Low
1.661W 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 $1.36, 56.0% below its 52-week high. Over the past week it ranged between $1.09 and $1.66.
Past 12 Months
1W
+$0.08
1M
+$0.62
3M
+$0.50
6M
+$0.58
YTD
+$0.21
1Y
-$0.72
QSI was -34.4% over the past year, +73.1% over six months, +17.7% year to date, +6.6% in the last week.
12 Months vs Market
QSI
-34.4%
DIA
+12.4%
SPY
+17.2%
QQQ
+23.8%
IWM
+13.8%
Over the past 12 months QSI returned -34.4% versus DIA (Dow) +12.4%, SPY (S&P 500) +17.2%, QQQ (Nasdaq 100) +23.8% and IWM (Russell 2000) +13.8%.
Volume & Liquidity
1.86× 3-mo avg
Today 8,820,292
3-mo avg 4.7M
1W
16.5M
1M
9.1M
3M
4.7M
6M
5.5M
YTD
5.0M
1Y
6.0M
QSI most recently traded 8,820,292 shares against a 3-month average daily volume of 4.7M.
More News
Read More
These stocks have an unusual volume in today's session ↗
October 06, 2026
Which stocks are experiencing notable movement on Thursday? ↗
October 01, 2026
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 1.365
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 10/12/26 02:34 PM ET
Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the Privacy Policy and Terms Of Service.
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the Privacy Policy and Terms Of Service.
© 2025 FinancialContent. All rights reserved.