Quantum-Si Inc (QSI) Stock Forecast Oct. 16, 2026

Our AI ranks Quantum-Si Inc outside the neutral middle of its coverage (a directional signal). Create a free account and follow it to see the exact price target.

Quantum-Si Inc is a small-cap company with a market capitalization of $241M. It ranks number 6 by market capitalization among the 11 Measuring & Controlling Devices, NEC issuers in our coverage with a current forecast. Its ROE of -54.7% is the lowest of the 8 peers that report one. Its Net Margin of -6138.3% is the lowest of the 8 peers that report one.

For QSI, the Spearman rank correlation between our 90-day forecasts and the returns that followed is -3.0%, measured on 357 forecast dates between 2022-07-29 and 2026-07-17 on this stock's own recent history. A rank correlation runs from -100% to +100%: it measures whether higher forecasts were followed by higher returns, and a value near zero or below means the model has shown little skill on this stock. On the 30-day forecasts the same correlation is 3.0%, measured on 400 forecast dates between 2022-07-29 and 2026-09-16. Across our coverage, the out-of-sample test on 4495 stocks from 2025-01-06 to 2026-07-07 produced a positive net return in 82.5% of rebalance periods (factor-neutral book, net of estimated costs). Full backtest report

Expected return relative to the market over the horizon: a positive alpha means the model expects the stock to beat the market, whatever the market does. Ratings: strong buy ≥ +1.8%, buy ≥ +0.2%, sell < -0.9%, strong sell < -1.2% (top 15%, next 20%, middle 30%, next 20%, bottom 15% of the 2026-10-16 signals)

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