RDNT vs RSP: Correlation
Measured on weekly returns over the past three years, RadNet, Inc. (RDNT) and Invesco S&P 500 Equal Weight ETF (RSP) carry a correlation of 0.50, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RDNT and RSP?
Across a 3-year window, the weekly returns of RDNT and RSP correlate at 0.50, moderate. Little has changed lately, as the 1-year reading of 0.58 lands near the 3-year figure. Stretching to 5 years gives 0.48, with an annualized covariance of 279.6 %².
Few assets follow RDNT as closely as RSP, which ranks #3 of 12 tracked partners. Over the last 12 months RSP came out ahead by 13.5 percentage points (+5.7% against +19.2%). Risk is not evenly split, since RDNT carries 3.2 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.
RDNT vs RSP: side by side
| RDNT (RadNet, Inc.) | RSP (Invesco S&P 500 Equal Weight ETF) | |
|---|---|---|
| 1-year return | +5.7% | +19.2% |
| 5-year return | +146.0% | +53.9% |
| Volatility (ann.) | 42.6% | 13.2% |
| Beta vs S&P 500 | 1.29 | 0.77 |
| Max drawdown (3Y) | -46.8% | -17.8% |
| Market cap | $5.9B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 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 | RDNT | RSP |
|---|---|---|
| 2022 | -37.5% | -11.6% |
| 2023 | +84.7% | +13.7% |
| 2024 | +100.9% | +12.8% |
| 2025 | +2.2% | +11.2% |
| 2026 | +5.6% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RDNT and RSP good diversifiers for each other?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between RDNT and RSP?
The RDNT/RSP correlation stands at 0.50 on a 3-year window (1 year: 0.58, 5 years: 0.48), computed from weekly returns as of 2026-08-27.
Is RSP a good diversifier for RDNT?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.50 mean?
A reading of 0.50 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/rdnt-vs-rsp.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/rdnt-vs-rsp/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: RDNT correlations · RSP correlations
