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Correlation
of values
+95%
In sync
of periods
74%
History
daysdays · through 2026-09-04
5,157
These move in the same direction about 74% of the time
When one swings, the other almost always swings by a closely matched amount (~90% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
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)
74%
Headline metric
Movement correlation(i)
+95%
Based on values
95% CI
+94% → +95%
Pipeline
Pipeline Summary
5,157 paired data points survived the daily window.
Raw input
5,184
11,705
Normalized
5,184
11,705
Prepared
5,184
11,705
Aligned
5,157
5,157
Invalid removed
Likely range of correlation
R²(i)
90%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
5,157
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: -6 to 6 days.
Selected shift
No shift
Correlation at this shift
+95%
No shift — both series at their actual dates.
5,157 overlapping points at this shift
Baseline
+95%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+95%
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
6,575
A: 27 / B: 6548
Series A
US Dollar Index
DTWEXBGS
FRED · 5,184 raw → 5,184 prepared
Series B
USD/ZAR Exchange Rate
DEXSFUS
FRED · 11,705 raw → 11,705 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
30
Estimated crossover points between normalized spreads.
Slope
0.3144
Linear regression slope.
Intercept
-21.1206
Linear regression intercept.
Saved 4 months ago · ID: fred-dexsfus_fred-dtwexbgs_daily_5y