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Correlation
of values
-69%
In sync
of periods
45%
History
monthsmonths · through 2026-04
808
These move in the same direction about 45% of the time
When one swings, the other often swings by a similar amount in the opposite direction (~48% of the pattern is shared).
A faint pattern — interesting as colour, not strong enough to act on alone.
On a log scale so equal % moves take equal vertical space — best when one series has grown much faster than the other.
Advanced
Statistics
In sync(i)
44.7%
Headline metric
Movement correlation(i)
-69%
Based on values
95% CI
-73% → -66%
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)
48.0%
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
-69%
No shift — both series at their actual dates.
808 overlapping points at this shift
Baseline
-69%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-69%
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
-17%
15 periods · Return correlation when both series rose
Both Falling
N/A
0 periods · Return correlation when both series fell
Diverging
-15%
13 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
Personal Savings Rate
PSAVERT
FRED · 808 raw → 808 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
-0.0714
Linear regression slope.
Intercept
12.7548
Linear regression intercept.
Saved last month · ID: fred-pcepi_fred-psavert_monthly_5y