CTOR vs QNTM: Correlation
Citius Oncology, Inc. (CTOR) and Quantum Biopharma Ltd. - Class B Subordinate Voting Shares (QNTM) show a moderate relationship: their 3-year correlation of weekly returns is 0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTOR and QNTM?
Across a 3-year window, the weekly returns of CTOR and QNTM correlate at 0.34, moderate. The past 12 months show a weaker link (0.07) than the 3-year average (0.34). Stretching to 5 years gives 0.34, with an annualized covariance of 14364.8 %².
Within CTOR's tracked universe of 21 assets, QNTM comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CTOR ahead by 19.1 points (-62.2% versus -81.3%).
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.
CTOR vs QNTM: side by side
| CTOR (Citius Oncology, Inc.) | QNTM (Quantum Biopharma Ltd. - Class B Subordinate Voting Shares) | |
|---|---|---|
| 1-year return | -62.2% | -81.3% |
| 5-year return | n/a | -97.4% |
| Volatility (ann.) | 182.3% | 230.6% |
| Beta vs S&P 500 | 1.25 | 0.93 |
| Max drawdown (3Y) | -98.8% | -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 | CTOR | QNTM |
|---|---|---|
| 2022 | – | -22.7% |
| 2023 | +7.7% | +16.8% |
| 2024 | -89.5% | -93.8% |
| 2025 | -13.0% | +98.4% |
| 2026 | -21.0% | -57.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTOR and QNTM good diversifiers for each other?
Reasonably. At 0.34, CTOR and QNTM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CTOR and QNTM?
The CTOR/QNTM correlation stands at 0.34 on a 3-year window (1 year: 0.07, 5 years: 0.34), computed from weekly returns as of 2026-08-27.
Is QNTM a good diversifier for CTOR?
Reasonably. At 0.34, CTOR and QNTM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.34 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/ctor-vs-qntm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ctor-vs-qntm/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CTOR correlations · QNTM correlations
