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KEY vs SPY: Correlation

KeyCorp (KEY) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.56.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.56
moderate
Correlation (1Y)
0.29
last 12 months
Correlation (5Y)
0.53
long-run
Ann. covariance
261.2
%² · weekly, annualized

How correlated are KEY and SPY?

Across a 3-year window, the weekly returns of KEY and SPY correlate at 0.56, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.29 versus 0.56 over 3 years. Stretching to 5 years gives 0.53, with an annualized covariance of 261.2 %².

By 3-year correlation, SPY places #46 of the 59 assets tracked against KEY. Neither side won the trailing year by much: +18.4% against +20.6%. The relationship is regime-dependent: the rolling one-year correlation swung between 0.26 and 0.78 over the past three years, so this pair behaves very differently depending on the market environment. Risk is not evenly split, since KEY carries 2.2 times the volatility of the other side.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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 SPY: side by side

KEY (KeyCorp)SPY (SPDR S&P 500 ETF Trust)
1-year return+18.4%+20.6%
5-year return+38.0%+82.4%
Volatility (ann.)32.1%14.5%
Beta vs S&P 5001.251.00
Max drawdown (3Y)-32.2%-18.8%
Market cap$23.5B
P/E (trailing)13.0
Dividend yield3.71%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryFinancialsETF · US Large Cap
Higher yield: KEY 3.71% vs 1.01%Smaller drawdown: SPY -18.8% vs -32.2%Higher 5y return: SPY +82.4% vs +38.0%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-10%0%+28%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. KEY · SPY

Year-by-year returns

YearKEYSPY
2022-21.7%-18.2%
2023-11.5%+26.2%
2024+25.3%+24.9%
2025+26.2%+17.7%
2026+8.8%+13.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are KEY and SPY good diversifiers for each other?

Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between KEY and SPY?

The KEY/SPY correlation stands at 0.56 on a 3-year window (1 year: 0.29, 5 years: 0.53), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for KEY?

Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.56 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/key-vs-spy.json

KEY vs SPY: 3-year weekly correlation 0.56KEY vs SPY0.56

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Related comparisons

Hubs: KEY correlations · SPY correlations