QUANTUM-SI INC (QSI) Stock Chart

USA • Nasdaq • NASDAQ:QSI • US74765K1051

1.04 USD
-0.06 (-5.45%)
At close: Feb 11, 2026
1.05 USD
+0.01 (+0.96%)
After Hours: 2/11/2026, 6:07:47 PM
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QUANTUM-SI INC / QSI Daily stock chart