Regular Market:
$1.23-$0.08(-6.11%)Full Day:
$1.23-$0.07(-5.38%)Summary
- As of today, QSI stock price is $1.23, with a fall of -$0.08 (-6.11%) during the most recent trading session on December 26, 2025.
- Over the past year, QSI stock price has dropped by -$0.92 (-42.79%).
- QSI stock price is now -95.08% below its all-time high of $25.00.
Performance
QSI Price Chart
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Highlights
Range
Split history
Related metrics
QSI Price Trends
| PeriodPeriod | PricePrice | S&P 500S&P 500 | NASDAQNASDAQ | Dow JonesDow Jones | XLVXLV |
|---|---|---|---|---|---|
| 1D1 Day | -6.1% | -0.0% | -0.1% | -0.0% | +0.2% |
| 1M1 Month | -8.9% | +1.7% | +1.6% | +2.7% | -1.5% |
| 3M3 Months | -17.4% | +4.3% | +4.9% | +5.3% | +15.2% |
| 6M6 Months | -40.0% | +12.8% | +17.0% | +12.3% | +16.3% |
| YTDYTD | -54.4% | +17.8% | +22.2% | +14.5% | +13.4% |
| 1Y1 Year | -42.8% | +14.8% | +17.9% | +12.4% | +11.8% |
| 5Y5 Years | -87.9% | +87.1% | +84.3% | +61.3% | +40.0% |
QSI Price Highs & Lows
| PeriodPeriod | HighHigh | Current vs Highvs High | LowLow | Current vs Lowvs Low | |
|---|---|---|---|---|---|
| 1M | 1-Month | $1.54 | -20.1% | $1.18 | +4.2% |
| 3M | 3-Month | $3.10 | -60.3% | $1.18 | +4.2% |
| 6M | 6-Month | $3.10 | -60.3% | $0.95 | +29.5% |
| 1Y | 1-Year | $5.77 | -78.7% | $0.95 | +29.5% |
| 3Y | 3-Year | $5.77 | -78.7% | $0.61 | +101.0% |
| 5Y | 5-Year | $25.00 | -95.1% | $0.61 | +101.0% |
| All-Time | All-Time | $25.00 | -95.1% | $0.61 | +101.0% |
QSI Price History
| Date | Value |
|---|---|
| 2025 | $1.23(-54.4%) |
| 2024 | $2.70(+34.3%) |
| 2023 | $2.01(+9.8%) |
| Date | Value |
|---|---|
| 2022 | $1.83(-76.7%) |
| 2021 | $7.87(-22.5%) |
| 2020 | $10.15 |
FAQ
- What is the price of Quantum-Si incorporated stock today?
- What is the all-time high price for Quantum-Si incorporated stock?
- What is QSI year-to-date return?
- What is QSI year-on-year return?
What is the price of Quantum-Si incorporated stock today?
The current price of QSI is $1.23
What is the all-time high price for Quantum-Si incorporated stock?
Quantum-Si incorporated stock all-time high price is $25.00
What is QSI year-to-date return?
Quantum-Si incorporated stock has returned -$1.47 (-54.44%) since the beginning of the year
What is QSI year-on-year return?
Over the past year, Quantum-Si incorporated stock has returned -$0.92 (-42.79%)