
stockNASDAQ: QSI • 7 Days Updates
Quantum-Si Incorporated (QSI) 7 Days
Showing Closing Date Range from Oct 8 to Oct 15, 2026.
Investor Relations:quantum-si.com
Price & Performance Trajectory
Quantum-Si IncorporatedNASDAQ: QSI
Latest Close
$1.31
7 Days Updates Trajectory
Showing Closing Date Range from Oct 8 to Oct 15, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesQSI session performance
✓ Latest Close USD
$1.31
Latest session close
+$0.09vs period start
Period Return % % GAIN
+7.38%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$1.66 / $1.2
Period range envelope
$0.46channel spread
Total Volume SHARES
77.91M
Period turnover
Avg: 12.98M/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(6 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | $1.31 | -5.76% | $1.39 | $1.24 | 9.22M |
| Oct 14, 2026 | $1.39 | -1.42% | $1.44 | $1.33 | 5.33M |
| Oct 13, 2026 | $1.41 | +3.68% | $1.46 | $1.31 | 6.24M |
| Oct 12, 2026 | $1.36 | -11.11% | $1.48 | $1.34 | 10.36M |
| Oct 09, 2026 | $1.53 | +25.41% | $1.66 | $1.26 | 40.90M |
| Oct 08, 2026 | $1.22 | -4.69% | $1.30 | $1.20 | 5.85M |