CSX vs QUCY: Correlation
Measured on weekly returns over the past three years, CSX Corporation (CSX) and Quantum Cyber N.V. (QUCY) carry a correlation of -0.16, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSX and QUCY?
Across a 3-year window, the weekly returns of CSX and QUCY correlate at -0.16, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at 0.03 versus -0.16 over 3 years. Stretching to 5 years gives -0.11, with an annualized covariance of -5847.9 %².
By 3-year correlation, QUCY places #21 of the 30 assets tracked against CSX. Their recent paths diverged sharply: over the last 12 months CSX outperformed by 69.9 percentage points (+60.6% for CSX against -9.3% for QUCY). One caveat on sizing: QUCY is 93.4 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.
CSX vs QUCY: side by side
| CSX (CSX Corporation) | QUCY (Quantum Cyber N.V.) | |
|---|---|---|
| 1-year return | +60.6% | -9.3% |
| 5-year return | +66.2% | -94.4% |
| Volatility (ann.) | 19.7% | 1840.9% |
| Beta vs S&P 500 | 0.62 | 3.76 |
| Max drawdown (3Y) | -29.4% | -95.9% |
| Market cap | $95.5B | $0.1B |
| P/E (trailing) | 30.1 | – |
| Dividend yield | 1.04% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | CSX | QUCY |
|---|---|---|
| 2022 | -16.6% | -31.7% |
| 2023 | +13.5% | -83.7% |
| 2024 | -5.6% | +272.4% |
| 2025 | +14.1% | -74.1% |
| 2026 | +43.1% | +31.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSX and QUCY good diversifiers for each other?
By historical standards, yes. A correlation of -0.16 means the two rarely move for the same reasons.
FAQ
What is the correlation between CSX and QUCY?
The CSX/QUCY correlation stands at -0.16 on a 3-year window (1 year: 0.03, 5 years: -0.11), computed from weekly returns as of 2026-08-27.
Is QUCY a good diversifier for CSX?
By historical standards, yes. A correlation of -0.16 means the two rarely move for the same reasons.
What does a correlation of -0.16 mean?
On the −1 to +1 scale, -0.16 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/csx-vs-qucy.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/csx-vs-qucy/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CSX correlations · QUCY correlations
