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BWFG vs SPY: Correlation

Measured on weekly returns over the past three years, Bankwell Financial Group, Inc. (BWFG) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.39, a moderate link.

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

Correlation (3Y)
0.39
moderate
Correlation (1Y)
0.14
last 12 months
Correlation (5Y)
0.39
long-run
Ann. covariance
151.5
%² · weekly, annualized

How correlated are BWFG and SPY?

Across a 3-year window, the weekly returns of BWFG and SPY correlate at 0.39, moderate. The link has loosened recently: the 1-year correlation (0.14) runs below the 3-year figure (0.39). Stretching to 5 years gives 0.39, with an annualized covariance of 151.5 %².

Among the 13 assets we track against BWFG, SPY ranks #8 by 3-year correlation. Correlation aside, the last 12 months split them widely, with BWFG ahead by 36.9 points (+57.5% versus +20.6%). One caveat on sizing: BWFG is 1.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

BWFG vs SPY: side by side

BWFG (Bankwell Financial Group, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+57.5%+20.6%
5-year return+149.4%+82.4%
Volatility (ann.)26.8%14.5%
Beta vs S&P 5000.731.00
Max drawdown (3Y)-24.7%-18.8%
Market cap$0.5B
P/E (trailing)12.3
Dividend yield1.22%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: BWFG 1.22% vs 1.01%Smaller drawdown: SPY -18.8% vs -24.7%Higher 5y return: BWFG +149.4% vs +82.4%

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.

-5%0%+61%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BWFG · SPY

Year-by-year returns

YearBWFGSPY
2022-8.2%-18.2%
2023+5.8%+26.2%
2024+6.4%+24.9%
2025+50.3%+17.7%
2026+46.3%+13.7%

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

Are BWFG and SPY good diversifiers for each other?

A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between BWFG and SPY?

Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.14 over the last year and 0.39 over 5 years.

Is SPY a good diversifier for BWFG?

A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.39 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.

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BWFG vs SPY: 3-year weekly correlation 0.39BWFG vs SPY0.39

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Hubs: BWFG correlations · SPY correlations