CSX vs RSP: Correlation
Measured on weekly returns over the past three years, CSX Corporation (CSX) and Invesco S&P 500 Equal Weight ETF (RSP) carry a correlation of 0.59, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSX and RSP?
Across a 3-year window, the weekly returns of CSX and RSP correlate at 0.59, moderate. The past 12 months show a weaker link (0.37) than the 3-year average (0.59). Stretching to 5 years gives 0.63, with an annualized covariance of 152.0 %².
Within CSX's tracked universe of 30 assets, RSP comes in at #10 by 3-year correlation. The last year tells two different stories: CSX led by 41.4 percentage points, +60.6% for CSX against +19.2% for RSP. Across three years, the rolling one-year figure varied moderately, from 0.34 to 0.78.
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 RSP: side by side
| CSX (CSX Corporation) | RSP (Invesco S&P 500 Equal Weight ETF) | |
|---|---|---|
| 1-year return | +60.6% | +19.2% |
| 5-year return | +66.2% | +53.9% |
| Volatility (ann.) | 19.7% | 13.2% |
| Beta vs S&P 500 | 0.62 | 0.77 |
| Max drawdown (3Y) | -29.4% | -17.8% |
| Market cap | $95.5B | – |
| P/E (trailing) | 30.1 | – |
| Dividend yield | 1.04% | 1.49% |
| Expense ratio | – | 0.20% |
| Assets under management | – | $97.3B |
| Sector / category | Industrials | ETF · US Large Cap |
On the fund side, RSP sits in the Large Blend category at Invesco, with $97.3B under management, 505 holdings, a 0.20% expense ratio, a 1.49% trailing dividend yield.
Year-by-year returns
| Year | CSX | RSP |
|---|---|---|
| 2022 | -16.6% | -11.6% |
| 2023 | +13.5% | +13.7% |
| 2024 | -5.6% | +12.8% |
| 2025 | +14.1% | +11.2% |
| 2026 | +43.1% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 0.21% of RSP is CSX itself, so the fund partly moves with the stock by construction.
Are CSX and RSP good diversifiers for each other?
Only partially. A correlation of 0.59 means CSX and RSP 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 CSX and RSP?
As of 2026-08-27, the correlation of weekly returns between CSX and RSP is 0.59 over 3 years, 0.37 over 1 year and 0.63 over 5 years.
Is RSP a good diversifier for CSX?
Only partially. A correlation of 0.59 means CSX and RSP share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.59 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/csx-vs-rsp.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/csx-vs-rsp/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CSX correlations · RSP correlations
