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Correlation
of values
-29%
In sync
of periods
47%
History
daysdays · through 2026-05-15
9,073
These move in the same direction about 47% of the time
Their swing sizes only faintly mirror each other (~8% 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)
47.4%
Headline metric
Movement correlation(i)
-29%
Based on values
95% CI
-31% → -27%
Pipeline
Pipeline Summary
9,073 paired data points survived the daily window.
Raw input
9,190
13,869
Normalized
9,190
13,869
Prepared
9,190
13,869
Aligned
9,073
9,073
Invalid removed
Likely range of correlation
R²(i)
8.3%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
9,073
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
-29%
No shift — both series at their actual dates.
9,073 overlapping points at this shift
Baseline
-29%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-29%
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
4,913
A: 117 / B: 4796
Series A
VIX
VIXCLS
FRED · 9,190 raw → 9,190 prepared
Series B
NZD/USD Exchange Rate
DEXUSNZ
FRED · 13,869 raw → 13,869 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
474
Estimated crossover points between normalized spreads.
Slope
-0.0038
Linear regression slope.
Intercept
0.7173
Linear regression intercept.
Saved 2 weeks ago · ID: fred-dexusnz_fred-vixcls_daily_5y