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SPY vs WEST: Correlation

How closely do SPDR S&P 500 ETF Trust (SPY) and Westrock Coffee Company (WEST) trade together? Their weekly returns over three years give a correlation of 0.25, which is weak.

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

Correlation (3Y)
0.25
weak
Correlation (1Y)
0.33
last 12 months
Correlation (5Y)
0.20
long-run
Ann. covariance
202.7
%² · weekly, annualized

How correlated are SPY and WEST?

Over the past 3 years, SPY and WEST moved with a correlation of 0.25, which is weak. The relationship has been stable: the 1-year correlation (0.33) sits close to the 3-year figure. Over 5 years the correlation is 0.20, and the annualized covariance of weekly returns is 202.7 %².

Within SPY's tracked universe of 4755 assets, WEST comes in at #2784 by 3-year correlation. The last year tells two different stories: WEST led by 20.3 percentage points, +20.6% for SPY against +40.9% for WEST. Risk is not evenly split, since WEST carries 3.9 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 WEST: side by side

SPY (SPDR S&P 500 ETF Trust)WEST (Westrock Coffee Company)
1-year return+20.6%+40.9%
5-year return+82.4%-16.8%
Volatility (ann.)14.5%56.4%
Beta vs S&P 5001.000.97
Max drawdown (3Y)-18.8%-66.7%
Market cap$0.8B
P/E (trailing)
Dividend yield1.01%0.00%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryETF · US Large CapUS Listed
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -66.7%Higher 5y return: SPY +82.4% vs -16.8%

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

-26%0%+81%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. SPY · WEST

Year-by-year returns

YearSPYWEST
2022-18.2%+37.2%
2023+26.2%-23.6%
2024+24.9%-37.1%
2025+17.7%-36.6%
2026+13.7%+98.0%

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

Are SPY and WEST good diversifiers for each other?

Reasonably. At 0.25, SPY and WEST keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between SPY and WEST?

As of 2026-08-27, the correlation of weekly returns between SPY and WEST is 0.25 over 3 years, 0.33 over 1 year and 0.20 over 5 years.

Is WEST a good diversifier for SPY?

Reasonably. At 0.25, SPY and WEST keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.25 mean?

A reading of 0.25 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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SPY vs WEST: 3-year weekly correlation 0.25SPY vs WEST0.25

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Hubs: SPY correlations · WEST correlations