Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)Price and VolumeDetailed Quote
Top NewsMore News
Performance
52-Week Range
54.4% below 52-week high
1.150
0.6952W Low
2.5252W High
1 Week
17.3% 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 $1.15, 54.4% below its 52-week high. Over the past week it ranged between $1.01 and $1.39.
Past 12 Months
-12.2%
+52.1%
+43.7%
+8.5%
-0.9%
-50.9%
1W
-$0.16
1M
+$0.39
3M
+$0.35
6M
+$0.09
YTD
-$0.01
1Y
-$1.19
QSI was -50.9% over the past year, +8.5% over six months, -0.9% year to date, -12.2% in the last week.
12 Months vs Market
QSI
DIA
SPY
QQQ
IWM
Over the past 12 months QSI returned -50.9% versus DIA (Dow) +12.5%, SPY (S&P 500) +13.8%, QQQ (Nasdaq 100) +15.2% and IWM (Russell 2000) +12.0%.
Volume & Liquidity
0.67× 3-mo avg
Today 3,546,557
3-mo avg 5.3M
1W
1M
3M
6M
YTD
1Y
QSI most recently traded 3,546,557 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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September 29, 2026
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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 1.150
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 04:00 PM ET
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