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Correlation
of values
+94%
In sync
of periods
74%
History
monthsmonths · through 2026-01
157
These move in the same direction about 74% of the time
When one swings, the other almost always swings by a closely matched amount (~88% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
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)
74.4%
Headline metric
Movement correlation(i)
+94%
Based on values
95% CI
+91% → +95%
Pipeline
Pipeline Summary
157 paired data points survived the monthly window.
Raw input
470
352
Normalized
470
352
Prepared
470
352
Aligned
157
157
Invalid removed
Likely range of correlation
R²(i)
87.6%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
157
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
+94%
No shift — both series at their actual dates.
157 overlapping points at this shift
Baseline
+94%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+94%
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
+33%
116 periods · Return correlation when both series rose
Both Falling
N/A
0 periods · Return correlation when both series fell
Diverging
-3%
40 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
508
A: 313 / B: 195
Series A
Case-Shiller Home Price Index
CSUSHPINSA
FRED · 470 raw → 470 prepared
Series B
Potential GDP
GDPPOT
FRED · 352 raw → 352 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
53.9400
Linear regression slope.
Intercept
7711.0144
Linear regression intercept.
Saved 2 days ago · ID: fred-csushpinsa_fred-gdppot_monthly_5y