Quantum-Si Stock (QSI)

Track Quantum-Si stock through TheStreet Pro's latest coverage, including articles, Daily Diary mentions, Action Alerts PLUS portfolio activity, contributor watchlist signals, and Pro price levels.

$1.18
▼ -0.79 (-41.15%) past year
$1.00$1.50$2.00$2.50$3.00May '25Aug '25Oct '25Dec '25Mar '26May '26
Market Cap
$235.18M
P/E Ratio
—
1Y Return
-41.15%
EPS (TTM)
-$0.51

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