Quantum-Si Stock (QSI)

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

At close
$0.88
▼ -0.08 (-8.28%)
Jul 10, 4:00 PM ET
After-hours
$0.91
▲ +0.03 (+3.09%)
Jul 10, 7:59 PM ET
$1.00$1.50$2.00$2.50$3.00Jul '25Sep '25Dec '25Feb '26Apr '26Jul '26
Market Cap
$192.22M
P/E Ratio
—
1Y Return
-51.38%
EPS (TTM)
-$0.51

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Articles

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Daily Diary Mentions

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