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Correlation
of values
-76%
In sync
of periods
48%
History
monthsmonths · through 2026-05
665
These move in the same direction about 48% of the time
When one swings, the other often swings by a similar amount in the opposite direction (~58% 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.
What to Watch
Tighter in drawdowns
The relationship is stronger when both prices are falling than when both are rising — typical risk-off behaviour.
Advanced
Statistics
In sync(i)
48%
Headline metric
Movement correlation(i)
-76%
Based on values
95% CI
N/A
Likely range
Pipeline
Pipeline Summary
665 paired data points survived the monthly window.
Raw input
881
13,901
Normalized
881
13,901
Prepared
881
667
Aligned
665
665
Invalid removed
58%
Variance explained
Significance
N/A
Statistical confidence
Data points(i)
665
Robust
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: -18 to 18 months.
Selected shift
No shift
Correlation at this shift
-76%
No shift — both series at their actual dates.
665 overlapping points at this shift
Baseline
-76%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-76%
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.
Do They Crash Together?
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
-5%
10 periods · Return correlation when both series rose
Both Falling
+44%
10 periods · Return correlation when both series fell
Diverging
-42%
16 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
218
A: 216 / B: 2
Series A
CPI: Used Cars & Trucks
CUSR0000SETA02
FRED · 881 raw → 881 prepared
Series B
NZD/USD Exchange Rate
DEXUSNZ
FRED · 13,901 raw → 667 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
-0.0039
Linear regression slope.
Intercept
1.2097
Linear regression intercept.
Saved 3 months ago · ID: fred-cusr0000seta02_fred-dexusnz_monthly_5y