NDSN vs RSP: Correlation
Nordson Corporation (NDSN) and Invesco S&P 500 Equal Weight ETF (RSP) show a strong relationship: their 3-year correlation of weekly returns is 0.73.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NDSN and RSP?
On 3 years of weekly data the NDSN/RSP correlation comes out at 0.73, strong. The link has loosened recently: the 1-year correlation (0.56) runs below the 3-year figure (0.73). The 5-year figure is 0.74, and annualized covariance runs at 238.7 %².
In NDSN's tracked universe of 39 assets, RSP sits right near the top at #1. The last year tells two different stories: NDSN led by 29.3 percentage points, +48.5% for NDSN against +19.2% for RSP. Stability stands out here, with the rolling one-year correlation confined to 0.65 through 0.84. Risk is not evenly split, since NDSN carries 1.9 times the volatility of the other side.
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.
NDSN vs RSP: side by side
| NDSN (Nordson Corporation) | RSP (Invesco S&P 500 Equal Weight ETF) | |
|---|---|---|
| 1-year return | +48.5% | +19.2% |
| 5-year return | +46.5% | +53.9% |
| Volatility (ann.) | 24.7% | 13.2% |
| Beta vs S&P 500 | 0.97 | 0.77 |
| Max drawdown (3Y) | -39.1% | -17.8% |
| Market cap | $18.4B | – |
| P/E (trailing) | 33.5 | – |
| Dividend yield | 0.98% | 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 | NDSN | RSP |
|---|---|---|
| 2022 | -5.9% | -11.6% |
| 2023 | +12.4% | +13.7% |
| 2024 | -20.1% | +12.8% |
| 2025 | +17.0% | +11.2% |
| 2026 | +38.4% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
Keep in mind that RSP holds NDSN at a 0.22% weight, which makes a slice of this correlation mechanical rather than coincidental.
Are NDSN and RSP good diversifiers for each other?
Only partially. A correlation of 0.73 means NDSN 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 NDSN and RSP?
As of 2026-08-27, the correlation of weekly returns between NDSN and RSP is 0.73 over 3 years, 0.56 over 1 year and 0.74 over 5 years.
Is RSP a good diversifier for NDSN?
Only partially. A correlation of 0.73 means NDSN 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 0.73 mean?
A reading of 0.73 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ndsn-vs-rsp.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ndsn-vs-rsp/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: NDSN correlations · RSP correlations
