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Correlation
of values
+93%
In sync
of periods
—
History
monthsmonths · through 2026-01
241
These move together
When one swings, the other almost always swings by a closely matched amount (~86% 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)
N/A
Headline metric
Movement correlation(i)
+93%
Based on values
95% CI
N/A
Pipeline
Pipeline Summary
241 paired data points survived the monthly window.
Raw input
241
1,361
Normalized
241
1,361
Prepared
241
1,361
Aligned
241
241
Invalid removed
Likely range
R²(i)
86%
Variance explained
Significance
N/A
Statistical confidence
Data points(i)
241
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: 0 to 0 months.
Selected shift
No shift
Correlation at this shift
+93%
No shift — both series at their actual dates.
241 overlapping points at this shift
Baseline
+93%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+93%
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.
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,120
A: 0 / B: 1120
Series A
Debt-to-GDP Ratio
GFDEGDQ188S
FRED · 241 raw → 241 prepared
Series B
PPI: All Commodities
PPIACO
FRED · 1,361 raw → 1,361 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
2.0071
Linear regression slope.
Intercept
2.7927
Linear regression intercept.
Saved 3 months ago · ID: fred-gfdegdq188s_fred-ppiaco_monthly_5y