KEY vs PFG: Correlation
How closely do KeyCorp (KEY) and Principal Financial Group (PFG) trade together? Their weekly returns over three years give a correlation of 0.72, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KEY and PFG?
On 3 years of weekly data the KEY/PFG correlation comes out at 0.72, strong. The past 12 months show a weaker link (0.61) than the 3-year average (0.72). The 5-year figure is 0.70, and annualized covariance runs at 528.3 %².
Among the 59 assets we track against KEY, PFG ranks #30 by 3-year correlation. The last year tells two different stories: PFG led by 25.5 percentage points, +18.4% for KEY against +43.9% for PFG. The link looks structural: the rolling one-year correlation barely moved, holding between 0.56 and 0.80.
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 PFG: side by side
| KEY (KeyCorp) | PFG (Principal Financial Group) | |
|---|---|---|
| 1-year return | +18.4% | +43.9% |
| 5-year return | +38.0% | +99.7% |
| Volatility (ann.) | 32.1% | 22.9% |
| Beta vs S&P 500 | 1.25 | 0.88 |
| Max drawdown (3Y) | -32.2% | -22.4% |
| Market cap | $23.5B | $24.0B |
| P/E (trailing) | 13.0 | 16.0 |
| Dividend yield | 3.71% | 2.84% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | KEY | PFG |
|---|---|---|
| 2022 | -21.7% | +20.1% |
| 2023 | -11.5% | -2.8% |
| 2024 | +25.3% | +1.9% |
| 2025 | +26.2% | +18.4% |
| 2026 | +8.8% | +29.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KEY and PFG good diversifiers for each other?
Only partially. A correlation of 0.72 means KEY and PFG 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 KEY and PFG?
As of 2026-08-27, the correlation of weekly returns between KEY and PFG is 0.72 over 3 years, 0.61 over 1 year and 0.70 over 5 years.
Is PFG a good diversifier for KEY?
Only partially. A correlation of 0.72 means KEY and PFG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.72 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/key-vs-pfg.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/key-vs-pfg/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: KEY correlations · PFG correlations
