QSI
Quantum-Si
$0.78
+$0.01 (+1.69%)Jul 27, 2026
Key metrics
The numbers that frame QSI today
- Market cap
- $170.51M
- P/E (TTM)
- -1.6
- EV / FCF
- -1.4
- Gross margin
- 40%
- EV / Sales
- 74.5
- ROIC
- -51.5%
- Div yield
- 0%
- Debt / equity
- 0.0
- 52wk Low
- $0.69
- 52wk High
- $3.10
Growth
Revenue and earnings trend for QSI
RevenueNet income
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Revenue and earnings trends, margins and the multi-year trajectory - free with an account.
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Already a member? Log inCash flow & returns
Free cash flow and financial health
Free cash flowNet debt
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Free cash flow detail, returns on capital and the balance-sheet trend - free with an account.
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Recent insider buying and selling activity
PurchasesSales
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See who is buying and selling, how much, and when - updated as new filings land.
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Already a member? Log inFrequently asked questions
Plain-English answers about QSI
Is Quantum-Si a good buy?
No. Quantum-Si has poor quality and poor momentum. Both signals point to a weaker setup. Growth looks poor. That could put pressure on the long-term business case. We think Quantum-Si is selling at a very high price.
What is the market capitalization of QSI?
Quantum-Si's market capitalization is $170.51M.
What is the P/E ratio for QSI stock?
Quantum-Si's current P/E ratio is -1.6.
What is the 52-week high for QSI stock?
The 52-week high for Quantum-Si is $3.10. The current close of $0.78 is 74.7% below that high.
What is the 52-week low for QSI stock?
The 52-week low for Quantum-Si is $0.69. The current close of $0.78 is 13.3% above that low.
Does QSI stock pay dividends?
Quantum-Si does not currently show a dividend per share in the company data.
What is the Debt / Equity ratio for QSI?
Quantum-Si's Debt / Equity ratio is 0.02.