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Correlation
of values
+41%
In sync
of periods
51%
History
daysdays · through 2026-07-02
3,264
These move in the same direction about 51% of the time
Their swing sizes loosely line up (~17% 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)
51%
Headline metric
Movement correlation(i)
+41%
Based on values
95% CI
N/A
Pipeline
Pipeline Summary
3,264 paired data points survived the daily window.
Raw input
3,277
11,660
Normalized
3,277
11,660
Prepared
3,277
11,660
Aligned
3,264
3,264
Invalid removed
Likely range
R²(i)
17%
Variance explained
Significance
N/A
Statistical confidence
Data points(i)
3,264
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
+41%
No shift — both series at their actual dates.
3,264 overlapping points at this shift
Baseline
+41%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+41%
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
3 periods · Return correlation when both series rose
Both Falling
+14%
9 periods · Return correlation when both series fell
Diverging
-64%
14 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
8,409
A: 13 / B: 8396
Series A
Overnight Reverse Repo
RRPONTSYD
FRED · 3,277 raw → 3,277 prepared
Series B
USD/ZAR Exchange Rate
DEXSFUS
FRED · 11,660 raw → 11,660 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
30
Estimated crossover points between normalized spreads.
Slope
0.0016
Linear regression slope.
Intercept
14.2398
Linear regression intercept.
Saved 3 months ago · ID: fred-dexsfus_fred-rrpontsyd_daily_5y