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Correlation Deep Dive

Microsoft (MSFT) vs Fed Balance Sheet: Correlation Analysis

Pearson correlation of daily returns for Microsoft (MSFT) and Fed Balance Sheet. Rolling windows, yearly breakdown, regression beta, and divergence analysis. Data window spans to (257 aligned observations).

30-Day
+0.020
Essentially uncorrelated
90-Day
+0.054
Essentially uncorrelated
1-Year
+0.061
Essentially uncorrelated
5-Year
+0.059
Essentially uncorrelated

What the Number Means

With a correlation of 0.05, Microsoft (MSFT) and Fed Balance Sheet are essentially uncorrelated at daily frequency. Either the relationship operates at a different time horizon or the shared driver has been dominated by idiosyncratic noise during the observation window.

Recent vs Long-Run Behavior

Last 90 Days
+0.054
5-Year Baseline
+0.059

Recent correlation tracks the long-run relationship closely. No meaningful divergence. The historical pattern between Microsoft (MSFT) and Fed Balance Sheet is intact and should continue to serve as a reasonable baseline for positioning.

Statistical Details (1-Year Window)

Pearson Correlation (r)+0.061
R-Squared (r²)0.004
Beta (Microsoft (MSFT) vs Fed Balance Sheet)0.489
Daily Volatility σ(Microsoft (MSFT))3.34%
Daily Volatility σ(Fed Balance Sheet)0.42%
Observations252

Correlation measures directional co-movement; R² quantifies the fraction of variance explained by the linear relationship. Beta is the slope coefficient from regressing Microsoft (MSFT) returns on Fed Balance Sheet returns. A beta above 1 means the first asset amplifies moves of the second.

Year-by-Year Correlation

YearCorrelationStrengthObservations
2026-0.107Essentially uncorrelated17
2025+0.149Essentially uncorrelated52
2024+0.386Weak positive50
2023+0.275Weak positive52
2022-0.315Weak negative52
2021+0.028Essentially uncorrelated34

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
+0.335
ending 2025-06-18
Most Decoupled Period
-0.056
ending 2023-02-08

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 Microsoft (MSFT) and Fed Balance Sheet, 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.