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Correlation
of values
-25%
In sync
of periods
—
History
monthsmonths · through 2025-10
169
These move together
Their swing sizes only faintly mirror each other (~6% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
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)
N/A
Headline metric
Movement correlation(i)
-25%
Based on values
95% CI
-38% → -10%
Pipeline
Pipeline Summary
169 paired data points survived the monthly window.
Raw input
240
10,398
Normalized
240
10,398
Prepared
240
512
Aligned
169
169
Invalid removed
Likely range of correlation
R²(i)
6.2%
Variance explained
Significance
p < 0.01
Statistical confidence
Data points
169
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
-25%
No shift — both series at their actual dates.
169 overlapping points at this shift
Baseline
-25%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-25%
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
414
A: 71 / B: 343
Series A
Debt-to-GDP Ratio
GFDEGDQ188S
FRED · 240 raw → 240 prepared
Series B
USD/TWD Exchange Rate
DEXTAUS
FRED · 10,398 raw → 512 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
-0.0333
Linear regression slope.
Intercept
33.5997
Linear regression intercept.
Saved 2 weeks ago · ID: fred-dextaus_fred-gfdegdq188s_monthly_5y