Quantum-Si (QSI) - P/S ratio

P/S ratio as of May 2026 (TTM): 63.7

According to Quantum-Si's latest financial reports and stock price the company's current price-to-sales ratio (TTM) is 0.8606. At the end of 2025 the company had a P/S ratio of 95.0.

P/S ratio history for Quantum-Si from 2021 to 2025

PS ratio at the end of each year

Year	P/S ratio	Change
2025	95.0	-48.27%
2024	184	-30.26%
2023	263
2022	N/A
2021	N/A

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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P/S ratio for Quantum-Si (QSI)