price
QS
NASDAQ · QSI
Quantum-Si incorporated
Healthcare · Biotechnology
$0.79
Down-$0.06 (-7.62%)
Updated Aug 14, 2026, 3:52 PM
SID Score
3.5/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 272.8M
- P/E ratio
- -2.41
- Dividend yield
- 0.00%
- 52-week range
- $0.69 – $1.30
- Volume
- 4.38M
- Avg. volume
- 11.82M
Price performance
QSI price history
1M range · 21 trading sessions · Daily adjusted prices
QSI closed at $0.79 after 21 trading sessions, down 3.58% for the selected period.
- Last close
- $0.79
- Period change
- -3.58%
- Period low
- $0.70
- Period high
- $0.84
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Aug 13, 2026 | $0.855 | $0.9138 | $0.79 | $0.79 | 4.38M |
| Aug 12, 2026 | $0.8308 | $0.8699 | $0.8256 | $0.8374 | 1.5M |
| Aug 11, 2026 | $0.7951 | $0.8489 | $0.7951 | $0.8202 | 2.06M |
| Aug 10, 2026 | $0.8176 | $0.84 | $0.7901 | $0.7901 | 2.43M |
| Aug 7, 2026 | $0.7618 | $0.8285 | $0.7618 | $0.8144 | 2.73M |
| Aug 6, 2026 | $0.7522 | $0.779 | $0.75 | $0.755 | 1.49M |
| Aug 5, 2026 | $0.7752 | $0.7926 | $0.7565 | $0.7565 | 2.48M |
| Aug 4, 2026 | $0.7642 | $0.796 | $0.7642 | $0.7654 | 3.99M |
| Aug 3, 2026 | $0.72 | $0.7599 | $0.711 | $0.746 | 2.71M |
| Jul 31, 2026 | $0.73 | $0.748 | $0.71 | $0.7124 | 1.84M |
| Jul 30, 2026 | $0.7256 | $0.7441 | $0.69 | $0.72 | 3.56M |
| Jul 29, 2026 | $0.7574 | $0.7799 | $0.7023 | $0.7023 | 4.1M |
| Jul 28, 2026 | $0.775 | $0.7799 | $0.7401 | $0.7606 | 3.27M |
| Jul 27, 2026 | $0.7884 | $0.8097 | $0.7715 | $0.7834 | 1.09M |
| Jul 24, 2026 | $0.7944 | $0.8012 | $0.7608 | $0.7701 | 2.59M |
| Jul 23, 2026 | $0.79 | $0.828 | $0.7809 | $0.79 | 3.29M |
| Jul 22, 2026 | $0.81 | $0.8454 | $0.80 | $0.80 | 2.84M |
| Jul 21, 2026 | $0.8216 | $0.8498 | $0.8216 | $0.836 | 1.47M |
| Jul 20, 2026 | $0.83 | $0.8422 | $0.8099 | $0.817 | 1.5M |
| Jul 17, 2026 | $0.82 | $0.8462 | $0.803 | $0.8224 | 2.3M |
| Jul 16, 2026 | $0.854 | $0.8558 | $0.806 | $0.8193 | 3.74M |
Latest QSI news
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