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Correlation
of values
-74%
In sync
of periods
25%
History
daysdays · through 2026-07-02
5,112
These move in the same direction about 25% of the time
When one swings, the other often swings by a similar amount in the opposite direction (~55% 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.
Advanced
Statistics
In sync(i)
25%
Headline metric
Movement correlation(i)
-74%
Based on values
95% CI
N/A
Pipeline
Pipeline Summary
5,112 paired data points survived the daily window.
Raw input
5,139
13,901
Normalized
5,139
13,901
Prepared
5,139
13,901
Aligned
5,112
5,112
Invalid removed
Likely range
R²(i)
55%
Variance explained
Significance
N/A
Statistical confidence
Data points(i)
5,112
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
-74%
No shift — both series at their actual dates.
5,112 overlapping points at this shift
Baseline
-74%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-74%
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
8,816
A: 27 / B: 8789
Series A
US Dollar Index
DTWEXAFEGS
FRED · 5,139 raw → 5,139 prepared
Series B
NZD/USD Exchange Rate
DEXUSNZ
FRED · 13,901 raw → 13,901 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
15
Estimated crossover points between normalized spreads.
Slope
-0.0055
Linear regression slope.
Intercept
1.2522
Linear regression intercept.
Saved 3 months ago · ID: fred-dexusnz_fred-dtwexafegs_daily_5y