KEY vs PRU: Correlation
How closely do KeyCorp (KEY) and Prudential Financial (PRU) trade together? Their weekly returns over three years give a correlation of 0.66, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KEY and PRU?
Across a 3-year window, the weekly returns of KEY and PRU correlate at 0.66, strong. Lately the two have drifted apart, with the 1-year correlation at 0.38 versus 0.66 over 3 years. Stretching to 5 years gives 0.72, with an annualized covariance of 487.8 %².
By 3-year correlation, PRU places #35 of the 59 assets tracked against KEY. Their 12-month results are close: +18.4% for KEY against +15.8% for PRU. The rolling one-year correlation moved between 0.38 and 0.82 over the past three years, a moderate range.
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.
KEY vs PRU: side by side
| KEY (KeyCorp) | PRU (Prudential Financial) | |
|---|---|---|
| 1-year return | +18.4% | +15.8% |
| 5-year return | +38.0% | +45.1% |
| Volatility (ann.) | 32.1% | 23.0% |
| Beta vs S&P 500 | 1.25 | 0.79 |
| Max drawdown (3Y) | -32.2% | -25.7% |
| Market cap | $23.5B | $41.5B |
| P/E (trailing) | 13.0 | 10.9 |
| Dividend yield | 3.71% | 4.57% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | KEY | PRU |
|---|---|---|
| 2022 | -21.7% | -3.9% |
| 2023 | -11.5% | +10.1% |
| 2024 | +25.3% | +19.5% |
| 2025 | +26.2% | +0.2% |
| 2026 | +8.8% | +10.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KEY and PRU good diversifiers for each other?
To a limited degree. At 0.66 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 KEY and PRU?
The KEY/PRU correlation stands at 0.66 on a 3-year window (1 year: 0.38, 5 years: 0.72), computed from weekly returns as of 2026-08-27.
Is PRU a good diversifier for KEY?
To a limited degree. At 0.66 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 0.66 mean?
A reading of 0.66 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/key-vs-pru.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/key-vs-pru/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: KEY correlations · PRU correlations
