FITB vs KEY: Correlation
How closely do Fifth Third Bancorp (FITB) and KeyCorp (KEY) trade together? Their weekly returns over three years give a correlation of 0.91, which is very strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FITB and KEY?
Across a 3-year window, the weekly returns of FITB and KEY correlate at 0.91, very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.90) sits close to the 3-year figure. Stretching to 5 years gives 0.89, with an annualized covariance of 855.2 %².
In FITB's tracked universe of 45 assets, KEY sits right near the top at #3. The trailing year gives FITB the advantage: +24.6% versus +18.4%, a 6.2-point spread. Stability stands out here, with the rolling one-year correlation confined to 0.82 through 0.96.
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.
FITB vs KEY: side by side
| FITB (Fifth Third Bancorp) | KEY (KeyCorp) | |
|---|---|---|
| 1-year return | +24.6% | +18.4% |
| 5-year return | +71.2% | +38.0% |
| Volatility (ann.) | 29.4% | 32.1% |
| Beta vs S&P 500 | 1.03 | 1.25 |
| Max drawdown (3Y) | -29.9% | -32.2% |
| Market cap | $49.7B | $23.5B |
| P/E (trailing) | 18.5 | 13.0 |
| Dividend yield | 2.90% | 3.71% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | FITB | KEY |
|---|---|---|
| 2022 | -21.9% | -21.7% |
| 2023 | +10.4% | -11.5% |
| 2024 | +27.2% | +25.3% |
| 2025 | +14.8% | +26.2% |
| 2026 | +19.1% | +8.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FITB and KEY good diversifiers for each other?
Not really. At 0.91, the two trade almost as one position, and owning both buys little extra protection.
FAQ
What is the correlation between FITB and KEY?
Using weekly returns as of 2026-08-27: 0.91 over 3 years, with 0.90 over the last year and 0.89 over 5 years.
Is KEY a good diversifier for FITB?
Not really. At 0.91, the two trade almost as one position, and owning both buys little extra protection.
What does a correlation of 0.91 mean?
On the −1 to +1 scale, 0.91 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/fitb-vs-key.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fitb-vs-key/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: FITB correlations · KEY correlations
