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Correlation Deep Dive

Real Estate (XLRE) vs Utilities (XLU): Correlation Analysis

Pearson correlation of daily returns for Real Estate (XLRE) and Utilities (XLU). Rolling windows, yearly breakdown, regression beta, and divergence analysis. Data window spans to (1,262 aligned observations).

30-Day
+0.578
Moderate positive
90-Day
+0.589
Moderate positive
1-Year
+0.538
Moderate positive
5-Year
+0.669
Strong positive

What the Number Means

The 0.59 correlation indicates that Real Estate (XLRE) and Utilities (XLU) have a moderate tendency to move together. The relationship is real but noisy, with frequent days where they disagree. Regime context matters: the correlation often strengthens during stress and weakens during calm periods.

Recent vs Long-Run Behavior

Last 90 Days
+0.589
5-Year Baseline
+0.669

Recent correlation tracks the long-run relationship closely. No meaningful divergence. The historical pattern between Real Estate (XLRE) and Utilities (XLU) is intact and should continue to serve as a reasonable baseline for positioning.

Statistical Details (1-Year Window)

Pearson Correlation (r)+0.538
R-Squared (r²)0.289
Beta (Real Estate (XLRE) vs Utilities (XLU))0.523
Daily Volatility σ(Real Estate (XLRE))0.86%
Daily Volatility σ(Utilities (XLU))0.89%
Observations252

Correlation measures directional co-movement; R² quantifies the fraction of variance explained by the linear relationship. Beta is the slope coefficient from regressing Real Estate (XLRE) returns on Utilities (XLU) returns. A beta above 1 means the first asset amplifies moves of the second.

Year-by-Year Correlation

YearCorrelationStrengthObservations
2026+0.585Moderate positive91
2025+0.629Strong positive250
2024+0.607Strong positive252
2023+0.659Strong positive250
2022+0.749Strong positive251
2021+0.659Strong positive168

Year-by-year correlation reveals how the relationship has held up across different macro regimes. Sharp year-over-year swings in correlation often mark the transition between stress and calm periods.

Rolling 90-Day Extremes

Most Correlated Period
+0.823
ending 2022-11-25
Most Decoupled Period
+0.400
ending 2025-10-08

Extremes in rolling 90-day correlation often coincide with regime changes, forced deleveraging, or the arrival of a dominant new macro theme that overwhelms normal relationships.

Methodology

Correlations are computed on daily log-adjacent returns for Real Estate (XLRE) and Utilities (XLU), aligned on shared trading dates. We use the Pearson product-moment coefficient, which measures the linear relationship between two return series.

Windows are the most recent N observations for 30D, 90D, and 1Y (252 trading days); the 5Y figure uses all aligned data up to 1,260 observations. Beta is the OLS slope from regressing the first series on the second. Data updates daily with a 24-hour revalidation cadence.

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Get daily macro analysis on shifting correlations, regime transitions, and cross-asset signals.

Correlation is not causation and backward-looking statistics can fail when regimes shift. Positions sized on historical correlation assumptions should be stress-tested against scenarios where the relationship breaks. For informational purposes only.