CSX vs QQQ: Correlation
CSX Corporation (CSX) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.32.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSX and QQQ?
On 3 years of weekly data the CSX/QQQ correlation comes out at 0.32, moderate. The link has loosened recently: the 1-year correlation (-0.07) runs below the 3-year figure (0.32). The 5-year figure is 0.44, and annualized covariance runs at 123.9 %².
Among the 30 assets we track against CSX, QQQ ranks #19 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CSX ahead by 34.3 points (+60.6% versus +26.3%). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from -0.01 to 0.69.
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 QQQ: side by side
| CSX (CSX Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +60.6% | +26.3% |
| 5-year return | +66.2% | +95.4% |
| Volatility (ann.) | 19.7% | 19.6% |
| Beta vs S&P 500 | 0.62 | 1.28 |
| Max drawdown (3Y) | -29.4% | -22.8% |
| Market cap | $95.5B | – |
| P/E (trailing) | 30.1 | – |
| Dividend yield | 1.04% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Industrials | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | CSX | QQQ |
|---|---|---|
| 2022 | -16.6% | -32.6% |
| 2023 | +13.5% | +54.9% |
| 2024 | -5.6% | +25.6% |
| 2025 | +14.1% | +20.8% |
| 2026 | +43.1% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 0.43% of QQQ is CSX itself, so the fund partly moves with the stock by construction.
Are CSX and QQQ good diversifiers for each other?
A fair diversifier. At 0.32, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CSX and QQQ?
As of 2026-08-27, the correlation of weekly returns between CSX and QQQ is 0.32 over 3 years, -0.07 over 1 year and 0.44 over 5 years.
Is QQQ a good diversifier for CSX?
A fair diversifier. At 0.32, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.32 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.
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Related comparisons
Hubs: CSX correlations · QQQ correlations
