Quantum-Si (QSI)

Quantum-Si (QSI) stock research: performance, analysts' price targets, earnings, revenue and margins, technicals and insider trades.

• QSI last traded at $1.25, -14.04% on the day.
• Quantum-Si: P/E -2.7, revenue $1.60M over the last four quarters.
• Over the past year QSI returned -38.18%; year to date 14.09%.

Updated 2026-11-02 20:37 UTC