QSI vs RUM: Correlation
Measured on weekly returns over the past three years, Quantum-Si Incorporated (QSI) and RUM Group Inc. (RUM) carry a correlation of 0.62, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QSI and RUM?
Over the past 3 years, QSI and RUM moved with a correlation of 0.62, which is strong. Recent behaviour matches the longer record: 0.58 over 1 year against 0.62 over 3. Over 5 years the correlation is 0.53, and the annualized covariance of weekly returns is 9565.9 %².
Among the 25 assets we track against QSI, RUM ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RUM ahead by 55.7 points (-30.8% versus +24.9%). Note the risk asymmetry: QSI runs 1.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
QSI vs RUM: side by side
| QSI (Quantum-Si Incorporated) | RUM (RUM Group Inc.) | |
|---|---|---|
| 1-year return | -30.8% | +24.9% |
| 5-year return | -91.5% | -2.7% |
| Volatility (ann.) | 152.9% | 100.2% |
| Beta vs S&P 500 | 2.93 | 2.14 |
| Max drawdown (3Y) | -83.6% | -71.3% |
| Market cap | $0.2B | $4.7B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | QSI | RUM |
|---|---|---|
| 2022 | -76.7% | -45.1% |
| 2023 | +9.8% | -24.5% |
| 2024 | +34.3% | +189.8% |
| 2025 | -59.3% | -51.4% |
| 2026 | -27.0% | +49.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QSI and RUM good diversifiers for each other?
Only partially. A correlation of 0.62 means QSI and RUM 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 QSI and RUM?
As of 2026-08-27, the correlation of weekly returns between QSI and RUM is 0.62 over 3 years, 0.58 over 1 year and 0.53 over 5 years.
Is RUM a good diversifier for QSI?
Only partially. A correlation of 0.62 means QSI and RUM share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.62 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/qsi-vs-rum.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qsi-vs-rum/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: QSI correlations · RUM correlations
