SPY vs WLYB: Correlation
SPDR S&P 500 ETF Trust (SPY) and John Wiley & Sons, Inc. (WLYB) show a weak relationship: their 3-year correlation of weekly returns is 0.12.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPY and WLYB?
Over the past 3 years, SPY and WLYB moved with a correlation of 0.12, which is weak. Recent behaviour matches the longer record: 0.06 over 1 year against 0.12 over 3. Over 5 years the correlation is 0.21, and the annualized covariance of weekly returns is 65.2 %².
Among the 4755 assets we track against SPY, WLYB ranks #3974 by 3-year correlation. Correlation aside, the last 12 months split them widely, with WLYB ahead by 20.3 points (+20.6% versus +40.9%). One caveat on sizing: WLYB is 2.6 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.
SPY vs WLYB: side by side
| SPY (SPDR S&P 500 ETF Trust) | WLYB (John Wiley & Sons, Inc.) | |
|---|---|---|
| 1-year return | +20.6% | +40.9% |
| 5-year return | +82.4% | +10.5% |
| Volatility (ann.) | 14.5% | 37.4% |
| Beta vs S&P 500 | 1.00 | 0.31 |
| Max drawdown (3Y) | -18.8% | -41.5% |
| Market cap | – | $2.8B |
| P/E (trailing) | – | 13.0 |
| Dividend yield | 1.01% | 2.64% |
| Expense ratio | 0.09% | – |
| Assets under management | $795.3B | – |
| Sector / category | ETF · US Large Cap | US Listed |
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.
Year-by-year returns
| Year | SPY | WLYB |
|---|---|---|
| 2022 | -18.2% | -27.5% |
| 2023 | +26.2% | -14.7% |
| 2024 | +24.9% | +41.5% |
| 2025 | +17.7% | -27.3% |
| 2026 | +13.7% | +78.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPY and WLYB good diversifiers for each other?
Yes. With a correlation of 0.12, SPY and WLYB have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between SPY and WLYB?
Using weekly returns as of 2026-08-27: 0.12 over 3 years, with 0.06 over the last year and 0.21 over 5 years.
Is WLYB a good diversifier for SPY?
Yes. With a correlation of 0.12, SPY and WLYB have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.12 mean?
A reading of 0.12 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: SPY correlations · WLYB correlations
