ACT vs RDN: Correlation
Enact Holdings, Inc. (ACT) and Radian Group Inc. (RDN) show a strong relationship: their 3-year correlation of weekly returns is 0.77.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACT and RDN?
On 3 years of weekly data the ACT/RDN correlation comes out at 0.77, strong. Lately the two have drifted apart, with the 1-year correlation at 0.63 versus 0.77 over 3 years. The 5-year figure is 0.65, and annualized covariance runs at 357.2 %².
Within ACT's tracked universe of 12 assets, RDN comes in at #4 by 3-year correlation. The last year tells two different stories: ACT led by 23.7 percentage points, +31.3% for ACT against +7.6% for RDN.
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.
ACT vs RDN: side by side
| ACT (Enact Holdings, Inc.) | RDN (Radian Group Inc.) | |
|---|---|---|
| 1-year return | +31.3% | +7.6% |
| 5-year return | +200.2% | +82.4% |
| Volatility (ann.) | 19.7% | 23.5% |
| Beta vs S&P 500 | 0.46 | 0.64 |
| Max drawdown (3Y) | -15.3% | -16.5% |
| Market cap | $6.7B | $4.8B |
| P/E (trailing) | 10.4 | 9.1 |
| Dividend yield | 1.77% | 2.77% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACT | RDN |
|---|---|---|
| 2022 | +24.1% | -6.3% |
| 2023 | +25.8% | +55.3% |
| 2024 | +14.7% | +14.5% |
| 2025 | +25.2% | +16.9% |
| 2026 | +25.6% | +3.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACT and RDN good diversifiers for each other?
Only partially. A correlation of 0.77 means ACT and RDN 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 ACT and RDN?
As of 2026-08-27, the correlation of weekly returns between ACT and RDN is 0.77 over 3 years, 0.63 over 1 year and 0.65 over 5 years.
Is RDN a good diversifier for ACT?
Only partially. A correlation of 0.77 means ACT and RDN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.77 mean?
A reading of 0.77 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/act-vs-rdn.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/act-vs-rdn/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ACT correlations · RDN correlations
