Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)Price and VolumeDetailed Quote
Top NewsMore News
Performance
52-Week Range
52.2% below 52-week high
1.205
0.6952W Low
2.5252W High
1 Week
13.3% below 1-week high
1.011W Low
1.391W High
Quantum-Si Incorporated - Class A Common Stock (QSI) traded between $0.69 and $2.52 over the past 52 weeks and last traded at $1.21, 52.2% below its 52-week high. Over the past week it ranged between $1.01 and $1.39.
Past 12 Months
-8.0%
+59.4%
+50.6%
+13.7%
+3.9%
-48.5%
1W
-$0.10
1M
+$0.45
3M
+$0.41
6M
+$0.15
YTD
+$0.05
1Y
-$1.13
QSI was -48.5% over the past year, +13.7% over six months, +3.9% year to date, -8.0% in the last week.
12 Months vs Market
QSI
DIA
SPY
QQQ
IWM
Over the past 12 months QSI returned -48.5% versus DIA (Dow) +12.3%, SPY (S&P 500) +13.7%, QQQ (Nasdaq 100) +15.5% and IWM (Russell 2000) +11.7%.
Volume & Liquidity
0.42× 3-mo avg
Today 2,205,834
3-mo avg 5.3M
1W
1M
3M
6M
YTD
1Y
QSI most recently traded 2,205,834 shares against a 3-month average daily volume of 5.3M. More NewsRead More
Via GlobeNewswire
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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
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Via GlobeNewswire
Quantum-Si (QSI) Q2 2026 Earnings Call Transcript ↗
August 20, 2026
Via The Motley Fool
Topics
Earnings
Quantum-Si Q2 Earnings Call Highlights ↗
August 13, 2026
Via MarketBeat
Topics
Earnings
Full Transcript: Quantum-Si Q2 2026 Earnings Call ↗
August 13, 2026
Via Business Wire
Quantum-Si Q1 Earnings Call Highlights ↗
May 08, 2026
Via MarketBeat
Topics
Earnings
Frequently Asked QuestionsIs 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 1.205
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 10/22/26 01:43 PM ET
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