PFSI vs RKT: Correlation
Measured on weekly returns over the past three years, PennyMac Financial Services, Inc. (PFSI) and Rocket Companies, Inc. (RKT) carry a correlation of 0.57, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PFSI and RKT?
On 3 years of weekly data the PFSI/RKT correlation comes out at 0.57, moderate. The relationship has been stable: the 1-year correlation (0.61) sits close to the 3-year figure. The 5-year figure is 0.61, and annualized covariance runs at 1098.5 %².
Among the 14 assets we track against PFSI, RKT ranks #4 by 3-year correlation. The trailing year gives RKT the advantage: -31.3% versus -21.2%, a 10.1-point spread. One caveat on sizing: RKT 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.
PFSI vs RKT: side by side
| PFSI (PennyMac Financial Services, Inc.) | RKT (Rocket Companies, Inc.) | |
|---|---|---|
| 1-year return | -31.3% | -21.2% |
| 5-year return | +17.5% | -7.5% |
| Volatility (ann.) | 34.9% | 55.4% |
| Beta vs S&P 500 | 0.57 | 1.02 |
| Max drawdown (3Y) | -53.8% | -50.6% |
| Market cap | $3.8B | $40.3B |
| P/E (trailing) | 10.0 | – |
| Dividend yield | 1.65% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PFSI | RKT |
|---|---|---|
| 2022 | -17.6% | -46.2% |
| 2023 | +57.8% | +106.9% |
| 2024 | +16.8% | -22.2% |
| 2025 | +30.5% | +81.7% |
| 2026 | -43.6% | -26.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PFSI and RKT good diversifiers for each other?
To a limited degree. At 0.57 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 PFSI and RKT?
As of 2026-08-27, the correlation of weekly returns between PFSI and RKT is 0.57 over 3 years, 0.61 over 1 year and 0.61 over 5 years.
Is RKT a good diversifier for PFSI?
To a limited degree. At 0.57 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 0.57 mean?
On the −1 to +1 scale, 0.57 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/pfsi-vs-rkt.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/pfsi-vs-rkt/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PFSI correlations · RKT correlations
