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SPY vs WTFC: Correlation

Measured on weekly returns over the past three years, SPDR S&P 500 ETF Trust (SPY) and Wintrust Financial Corporation (WTFC) carry a correlation of 0.55, a moderate link.

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

Correlation (3Y)
0.55
moderate
Correlation (1Y)
0.27
last 12 months
Correlation (5Y)
0.54
long-run
Ann. covariance
221.4
%² · weekly, annualized

How correlated are SPY and WTFC?

On 3 years of weekly data the SPY/WTFC correlation comes out at 0.55, moderate. The link has loosened recently: the 1-year correlation (0.27) runs below the 3-year figure (0.55). The 5-year figure is 0.54, and annualized covariance runs at 221.4 %².

Within SPY's tracked universe of 4755 assets, WTFC comes in at #293 by 3-year correlation. On 12-month performance SPY holds a 7.9-point edge, +20.6% against +12.7%. Risk is not evenly split, since WTFC carries 1.9 times the volatility of the other side.

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.

SPY vs WTFC: side by side

SPY (SPDR S&P 500 ETF Trust)WTFC (Wintrust Financial Corporation)
1-year return+20.6%+12.7%
5-year return+82.4%+127.7%
Volatility (ann.)14.5%27.6%
Beta vs S&P 5001.001.06
Max drawdown (3Y)-18.8%-31.0%
Market cap$10.3B
P/E (trailing)12.3
Dividend yield1.01%1.37%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryETF · US Large CapUS Listed
Higher yield: WTFC 1.37% vs 1.01%Smaller drawdown: SPY -18.8% vs -31.0%Higher 5y return: WTFC +127.7% vs +82.4%

On the fund side, SPY sits in the Large Blend category at State Street Investment Management, with $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-12%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. SPY · WTFC

Year-by-year returns

YearSPYWTFC
2022-18.2%-5.5%
2023+26.2%+12.0%
2024+24.9%+36.8%
2025+17.7%+13.9%
2026+13.7%+10.6%

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

Are SPY and WTFC good diversifiers for each other?

Only partially. A correlation of 0.55 means SPY and WTFC 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 SPY and WTFC?

The SPY/WTFC correlation stands at 0.55 on a 3-year window (1 year: 0.27, 5 years: 0.54), computed from weekly returns as of 2026-08-27.

Is WTFC a good diversifier for SPY?

Only partially. A correlation of 0.55 means SPY and WTFC share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.55 mean?

On the −1 to +1 scale, 0.55 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.

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SPY vs WTFC: 3-year weekly correlation 0.55SPY vs WTFC0.55

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Hubs: SPY correlations · WTFC correlations