Quantum-Si incorporated
Quantum-Si incorporated (QSI) PE Ratio — Current & Historical Data
Trailing twelve months (TTM) P/E, forward P/E, PEG, and annual PE history — from market prices and filings.
qsi · pe ratio · data through Dec 31, 2025
Core PE Ratio Metrics
Trailing 12 months · TTMThe price-to-earnings (P/E) ratio for Quantum-Si incorporated (QSI) measures how much investors pay for each dollar of the company's trailing earnings. QSI's current PE ratio of N/A is calculated by dividing its stock price of $1.06 by its TTM earnings per share of -$0.48.
Source: FMP · /ratios-ttm · /analyst-estimates · 2025-12-31
PE Ratio History
2019 – 2025 · Annual▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare (Annual)
PE Ratio vs Peers
Biotechnology · 6 peers · Annual PE| Company | Market Cap | PE (Annual) | vs Avg | EPS (TTM) |
|---|---|---|---|---|
Quantum-Si incorporatedYou QSI | $210M | N/A | — | -$0.48 |
 ADC Therapeutics S.A. ADCT | $124M | N/A | — | -$1.12 |
 Altimmune, Inc. ALT | $241M | N/A | — | -$1.00 |
 Annexon, Inc. ANNX | $612M | N/A | — | -$1.33 |
 Aura Biosciences, Inc. AURA | $416M | N/A | — | -$1.76 |
 Autolus Therapeutics plc AUTL | $389M | N/A | — | -$1.08 |
 DBV Technologies S.A. DBVT | $383M | N/A | — | -$1.70 |
* N/A — Company is not profitable (TTM) · excluded from industry average · ▸ FMP /stock-peers + /ratios?limit=1 · priceToEarningsRatio
Annual PE Ratio History
| Fiscal Year End | PE Ratio | EPS (TTM) | YoY Change | PE vs Max |
|---|---|---|---|---|
2025-12-31Latest FY2025 | — | $-0.51 | — | |
2024-12-31 FY2024 | — | $-0.71 | — | |
2023-12-31 FY2023 | — | $-0.68 | — | |
2022-12-31 FY2022 | — | $-0.95 | — | |
2021-12-31 FY2021 | — | $-1.19 | — | |
2020-12-31 FY2020 | — | $-6.81 | — | |
2019-12-31 FY2019 | — | $-0.26 | — |
▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare · Zero extra API
About PE Ratio & Methodology
The price-to-earnings (P/E) ratio for Quantum-Si incorporated (QSI) measures how much investors pay for each dollar of the company's trailing earnings. QSI's current PE ratio of N/A is calculated by dividing its stock price of $1.06 by its TTM earnings per share of -$0.48.
Frequently asked questions
QSI pe ratio · 6 questionsQSI's current PE ratio is N/A as of 2026-06-09, based on a stock price of $1.06 and TTM EPS of -$0.48. Data sourced from Financial Modeling Prep via QSI's SEC 10-K and 10-Q filings.
▸ Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Quantum-Si incorporated SEC 10-K & 10-Q filings · US GAAP · Updated: 2026-06-09