QBTS vs QSI: Correlation
How closely do D-Wave Quantum Inc. (QBTS) and Quantum-Si Incorporated (QSI) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QBTS and QSI?
Across a 3-year window, the weekly returns of QBTS and QSI correlate at 0.55, moderate. The past 12 months show a tighter link (0.77) than the 3-year average (0.55). Stretching to 5 years gives 0.41, with an annualized covariance of 12023.9 %².
By 3-year correlation, QSI places #4 of the 15 assets tracked against QBTS. The last year tells two different stories: QBTS led by 48.3 percentage points, +17.5% for QBTS against -30.8% for QSI.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
QBTS vs QSI: side by side
| QBTS (D-Wave Quantum Inc.) | QSI (Quantum-Si Incorporated) | |
|---|---|---|
| 1-year return | +17.5% | -30.8% |
| 5-year return | +84.0% | -91.5% |
| Volatility (ann.) | 143.4% | 152.9% |
| Beta vs S&P 500 | 2.86 | 2.93 |
| Max drawdown (3Y) | -71.0% | -83.6% |
| Market cap | $6.7B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | QBTS | QSI |
|---|---|---|
| 2022 | -85.3% | -76.7% |
| 2023 | -38.9% | +9.8% |
| 2024 | +854.5% | +34.3% |
| 2025 | +211.3% | -59.3% |
| 2026 | -31.5% | -27.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QBTS and QSI good diversifiers for each other?
Only partially. A correlation of 0.55 means QBTS and QSI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between QBTS and QSI?
As of 2026-08-27, the correlation of weekly returns between QBTS and QSI is 0.55 over 3 years, 0.77 over 1 year and 0.41 over 5 years.
Is QSI a good diversifier for QBTS?
Only partially. A correlation of 0.55 means QBTS and QSI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.55 mean?
A reading of 0.55 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/qbts-vs-qsi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qbts-vs-qsi/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: QBTS correlations · QSI correlations
