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Correlation
of values
+98%
In sync
of periods
79%
History
monthsmonths · through 2026-07
235
These move in the same direction about 79% of the time
When one swings, the other almost always swings by a closely matched amount (~97% 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
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)
79%
Headline metric
Movement correlation(i)
+98%
Based on values
95% CI
+98% → +99%
Likely range of correlation
Pipeline
Pipeline Summary
235 paired data points survived the monthly window.
Raw input
811
235
Normalized
811
235
Prepared
811
235
Aligned
235
235
Invalid removed
R²(i)
97%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
235
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
+98%
No shift — both series at their actual dates.
235 overlapping points at this shift
Baseline
+98%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+98%
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
+11%
180 periods · Return correlation when both series rose
Both Falling
+79%
5 periods · Return correlation when both series fell
Diverging
-25%
49 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
576
A: 576 / B: 0
Series A
Core PCE Price Index
PCEPILFE
FRED · 811 raw → 811 prepared
Series B
Real Personal Consumption
PCEC96
FRED · 235 raw → 235 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
141.2585
Linear regression slope.
Intercept
-1120.3299
Linear regression intercept.
Saved 4 months ago · ID: fred-pcec96_fred-pcepilfe_monthly_5y