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Correlation
of values
-29%
In sync
of periods
51%
History
monthsmonths · through 2026-04
808
These move in the same direction about 51% of the time
Their swing sizes only faintly mirror each other (~9% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
Both lines start at the same point — easy to compare when growth rates are similar.
Advanced
Statistics
In sync(i)
50.9%
Headline metric
Movement correlation(i)
-29%
Based on values
95% CI
-36% → -23%
Pipeline
Pipeline Summary
808 paired data points survived the monthly window.
Raw input
808
808
Normalized
808
808
Prepared
808
808
Aligned
808
808
Invalid removed
Likely range of correlation
R²(i)
8.6%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
808
Deep
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
-29%
No shift — both series at their actual dates.
808 overlapping points at this shift
Baseline
-29%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-29%
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
+79%
13 periods · Return correlation when both series rose
Both Falling
N/A
2 periods · Return correlation when both series fell
Diverging
-23%
21 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
PCE Price Index
PCEPI
FRED · 808 raw → 808 prepared
Series B
Housing Starts
HOUST
FRED · 808 raw → 808 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
77
Estimated crossover points between normalized spreads.
Slope
-3.3129
Linear regression slope.
Intercept
1634.2469
Linear regression intercept.
Saved last month · ID: fred-houst_fred-pcepi_monthly_5y