CPIX vs QNTM: Correlation
Cumberland Pharmaceuticals Inc. (CPIX) and Quantum Biopharma Ltd. - Class B Subordinate Voting Shares (QNTM) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPIX and QNTM?
Over the past 3 years, CPIX and QNTM moved with a correlation of 0.38, which is moderate. The relationship has been stable: the 1-year correlation (0.28) sits close to the 3-year figure. Over 5 years the correlation is 0.31, and the annualized covariance of weekly returns is 10409.9 %².
QNTM is one of the assets that tracks CPIX most closely: it ranks #3 out of the 16 assets we track against CPIX. The last year tells two different stories: CPIX led by 309.4 percentage points, +228.1% for CPIX against -81.3% for QNTM. One caveat on sizing: QNTM is 2.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
CPIX vs QNTM: side by side
| CPIX (Cumberland Pharmaceuticals Inc.) | QNTM (Quantum Biopharma Ltd. - Class B Subordinate Voting Shares) | |
|---|---|---|
| 1-year return | +228.1% | -81.3% |
| 5-year return | +295.6% | -97.4% |
| Volatility (ann.) | 117.9% | 230.6% |
| Beta vs S&P 500 | 0.07 | 0.93 |
| Max drawdown (3Y) | -71.9% | -98.0% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CPIX | QNTM |
|---|---|---|
| 2022 | -51.8% | -22.7% |
| 2023 | -20.4% | +16.8% |
| 2024 | +32.4% | -93.8% |
| 2025 | +67.9% | +98.4% |
| 2026 | +180.3% | -57.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPIX and QNTM good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CPIX and QNTM?
The CPIX/QNTM correlation stands at 0.38 on a 3-year window (1 year: 0.28, 5 years: 0.31), computed from weekly returns as of 2026-08-27.
Is QNTM a good diversifier for CPIX?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.38 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/cpix-vs-qntm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cpix-vs-qntm/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CPIX correlations · QNTM correlations
