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Correlation
of values
+92%
In sync
of periods
57%
History
monthsmonths · through 2026-03
118
These move in the same direction about 57% of the time
When one swings, the other almost always swings by a closely matched amount (~86% of the pattern is shared).
A faint pattern — interesting as colour, not strong enough to act on alone.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Unusual right now
Recently looser than usual — the pair is behaving differently than its long-run pattern.
Tighter in drawdowns
The relationship is stronger when both prices are falling than when both are rising — typical risk-off behaviour.
Flips between sync and inverse
Sometimes the two move together, sometimes opposite. Don't treat this as a stable signal.
Advanced
Statistics
In sync(i)
57.3%
Headline metric
Movement correlation(i)
+92%
Based on values
95% CI
+89% → +95%
Likely range of correlation
Pipeline
Pipeline Summary
118 paired data points survived the monthly window.
Raw input
471
2,513
Normalized
471
2,513
Prepared
471
121
Aligned
118
118
Invalid removed
R²(i)
85.5%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
118
Usable
Time-Shifted Correlation
See how correlation changes when one series is offset in time. A taller bar at a non-zero shift means the two move together better when one leads the other — that's a potential lead/lag signal.
Correlation by shift
Click a bar to inspect. Range: -18 to 18 months.
Selected shift
No shift
Correlation at this shift
+92%
No shift — both series at their actual dates.
118 overlapping points at this shift
Baseline
+92%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+92%
A non-zero peak suggests one series lines up better when shifted against the other.
Stability
How the correlation evolves over time. A stable line means the relationship is reliable; large swings signal regime-dependent behavior.
Do They Crash Together?
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
-6%
61 periods · Return correlation when both series rose
Both Falling
+60%
6 periods · Return correlation when both series fell
Diverging
-56%
50 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
356
A: 353 / B: 3
Series A
Case-Shiller Home Price Index
CSUSHPINSA
FRED · 471 raw → 471 prepared
Series B
Dow Jones Industrial Average
DJIA
FRED · 2,513 raw → 121 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
137.0470
Linear regression slope.
Intercept
-3849.4615
Linear regression intercept.
Saved last month · ID: fred-csushpinsa_fred-djia_monthly_5y