SPGI vs WVVI: Correlation
S&P Global (SPGI) and Willamette Valley Vineyards, Inc. (WVVI) show a weak relationship: their 3-year correlation of weekly returns is 0.26.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPGI and WVVI?
Across a 3-year window, the weekly returns of SPGI and WVVI correlate at 0.26, weak. The link has tightened recently: the 1-year correlation (0.39) runs above the 3-year figure (0.26). Stretching to 5 years gives 0.15, with an annualized covariance of 271.0 %².
By 3-year correlation, WVVI places #30 of the 40 assets tracked against SPGI. Correlation aside, the last 12 months split them widely, with SPGI ahead by 33.0 points (-15.6% versus -48.6%). One caveat on sizing: WVVI is 1.7 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.
SPGI vs WVVI: side by side
| SPGI (S&P Global) | WVVI (Willamette Valley Vineyards, Inc.) | |
|---|---|---|
| 1-year return | -15.6% | -48.6% |
| 5-year return | +8.1% | -82.5% |
| Volatility (ann.) | 24.7% | 42.6% |
| Beta vs S&P 500 | 0.86 | 0.37 |
| Max drawdown (3Y) | -30.5% | -65.4% |
| Market cap | $128.4B | – |
| P/E (trailing) | 26.6 | – |
| Dividend yield | 0.88% | 0.00% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | SPGI | WVVI |
|---|---|---|
| 2022 | -28.4% | -31.1% |
| 2023 | +32.8% | -10.2% |
| 2024 | +13.9% | -37.5% |
| 2025 | +5.7% | -9.0% |
| 2026 | -11.3% | -27.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPGI and WVVI good diversifiers for each other?
A fair diversifier. At 0.26, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between SPGI and WVVI?
Using weekly returns as of 2026-08-27: 0.26 over 3 years, with 0.39 over the last year and 0.15 over 5 years.
Is WVVI a good diversifier for SPGI?
A fair diversifier. At 0.26, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.26 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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Related comparisons
Hubs: SPGI correlations · WVVI correlations
