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Correlation
of values
-26%
In sync
of periods
50%
History
daysdays · through 2026-05-15
3,232
These move in the same direction about 50% of the time
Their swing sizes only faintly mirror each other (~7% 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.
Advanced
Statistics
In sync(i)
49.8%
Headline metric
Movement correlation(i)
-26%
Based on values
95% CI
-29% → -23%
Pipeline
Pipeline Summary
3,232 paired data points survived the daily window.
Raw input
3,247
13,869
Normalized
3,247
13,869
Prepared
3,247
13,869
Aligned
3,232
3,232
Invalid removed
Likely range of correlation
R²(i)
6.7%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
3,232
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
-26%
No shift — both series at their actual dates.
3,232 overlapping points at this shift
Baseline
-26%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-26%
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
N/A
4 periods · Return correlation when both series rose
Both Falling
+24%
12 periods · Return correlation when both series fell
Diverging
+11%
9 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
10,652
A: 15 / B: 10637
Series A
Overnight Reverse Repo
RRPONTSYD
FRED · 3,247 raw → 3,247 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
30
Estimated crossover points between normalized spreads.
Slope
-0.0000
Linear regression slope.
Intercept
0.6854
Linear regression intercept.
Saved 2 weeks ago · ID: fred-dexusnz_fred-rrpontsyd_daily_5y