DCI vs RSP: Correlation
Donaldson Company, Inc. (DCI) and Invesco S&P 500 Equal Weight ETF (RSP) show a strong relationship: their 3-year correlation of weekly returns is 0.65.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DCI and RSP?
Over the past 3 years, DCI and RSP moved with a correlation of 0.65, which is strong. The link has loosened recently: the 1-year correlation (0.45) runs below the 3-year figure (0.65). Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 179.8 %².
By 3-year correlation, RSP places #5 of the 15 assets tracked against DCI. On 12-month performance RSP holds a 5.2-point edge, +14.0% against +19.2%. One caveat on sizing: DCI is 1.6 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.
DCI vs RSP: side by side
| DCI (Donaldson Company, Inc.) | RSP (Invesco S&P 500 Equal Weight ETF) | |
|---|---|---|
| 1-year return | +14.0% | +19.2% |
| 5-year return | +44.4% | +53.9% |
| Volatility (ann.) | 21.0% | 13.2% |
| Beta vs S&P 500 | 0.74 | 0.77 |
| Max drawdown (3Y) | -26.0% | -17.8% |
| Market cap | – | – |
| P/E (trailing) | 24.8 | – |
| Dividend yield | 1.30% | 1.49% |
| Expense ratio | – | 0.20% |
| Assets under management | – | $97.3B |
| Sector / category | US Listed | 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 | DCI | RSP |
|---|---|---|
| 2022 | +1.0% | -11.6% |
| 2023 | +12.8% | +13.7% |
| 2024 | +4.6% | +12.8% |
| 2025 | +33.7% | +11.2% |
| 2026 | +5.3% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DCI and RSP good diversifiers for each other?
To a limited degree. At 0.65 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between DCI and RSP?
Using weekly returns as of 2026-08-27: 0.65 over 3 years, with 0.45 over the last year and 0.70 over 5 years.
Is RSP a good diversifier for DCI?
To a limited degree. At 0.65 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.65 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/dci-vs-rsp.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/dci-vs-rsp/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DCI correlations · RSP correlations
