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BKE vs SPY: Correlation

Buckle, Inc. (The) (BKE) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.39.

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

Correlation (3Y)
0.39
moderate
Correlation (1Y)
0.32
last 12 months
Correlation (5Y)
0.46
long-run
Ann. covariance
177.5
%² · weekly, annualized

How correlated are BKE and SPY?

On 3 years of weekly data the BKE/SPY correlation comes out at 0.39, moderate. The relationship has been stable: the 1-year correlation (0.32) sits close to the 3-year figure. The 5-year figure is 0.46, and annualized covariance runs at 177.5 %².

Out of 21 assets tracked against BKE, SPY lands near the bottom at #17. Correlation aside, the last 12 months split them widely, with SPY ahead by 38.5 points (-17.9% versus +20.6%). Note the risk asymmetry: BKE runs 2.1 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

BKE vs SPY: side by side

BKE (Buckle, Inc. (The))SPY (SPDR S&P 500 ETF Trust)
1-year return-17.9%+20.6%
5-year return+83.6%+82.4%
Volatility (ann.)31.1%14.5%
Beta vs S&P 5000.851.00
Max drawdown (3Y)-33.9%-18.8%
Market cap$2.2B
P/E (trailing)10.2
Dividend yield1.58%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: BKE 1.58% vs 1.01%Smaller drawdown: SPY -18.8% vs -33.9%Higher 5y return: BKE +83.6% 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.

-23%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BKE · SPY

Year-by-year returns

YearBKESPY
2022+10.9%-18.2%
2023+15.0%+26.2%
2024+17.5%+24.9%
2025+14.0%+17.7%
2026-13.2%+13.7%

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

Are BKE and SPY good diversifiers for each other?

Reasonably. At 0.39, BKE and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between BKE and SPY?

As of 2026-08-27, the correlation of weekly returns between BKE and SPY is 0.39 over 3 years, 0.32 over 1 year and 0.46 over 5 years.

Is SPY a good diversifier for BKE?

Reasonably. At 0.39, BKE and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.39 mean?

On the −1 to +1 scale, 0.39 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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BKE vs SPY: 3-year weekly correlation 0.39BKE vs SPY0.39

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Hubs: BKE correlations · SPY correlations