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NYSE · Live ET

QSI (QSI)

1.40+0.25 (+21.74%)USD · · delayed · updates about every minute

Key statistics

Previous close
1.15
Day range
1.15 – 1.42
52-week low
0.69
52-week high
2.44
Volume
—
Type
—
52-WEEK RANGE POSITION

QSI news

TrefisMarket Movers | Winners: NAUT, QSI, RHI | Losers: LKQ, CORT, PHAT1d agoTradingViewQuantum-Si Incorporated Estimates – NASDAQ:QSI2d agoCMC MarketsAI Chips Outlook: TSMC and ASML Signal Multi-Year Demand Cycle2d agohttps://www.dars.gov.et/QSI Q2 2026 Earnings: Narrower-Than-Expected Loss Lifts Shares 2.16% - Earnings Whisper Number4d agoYahoo! Finance CanadaQSI Oct 2026 0.500 call (QSI261023C00000500) Interactive Stock Chart - Yahoo Finance4d agoYahoo! Finance CanadaQSI Oct 2026 0.500 call (QSI261023C00000500) Stock Price, News, Quote & History4d agoTimothy SykesQSI Stock Holds Nasdaq Listing As Proteus Milestones Fuel Hype5d agoStocksToTradeQSI Stock Holds Key Level As Proteus Milestones Pile Up5d ago

Learn to invest

The Psychology of Money
Morgan Housel · Beginner
The Little Book of Common Sense Investing
John C. Bogle · Beginner
The Intelligent Investor
Benjamin Graham · Intermediate