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Correlation
of values
+79%
In sync
of periods
51%
History
daysdays · through 2026-05-01
8,142
These move in the same direction about 51% of the time
When one swings, the other often swings by a similar amount (~62% 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
Unusual right now
Recently looser than usual — the pair is behaving differently than its long-run pattern.
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
Flips between sync and inverse
Sometimes the two move together, sometimes opposite. Don't treat this as a stable signal.
Advanced
Statistics
In sync(i)
50.6%
Headline metric
Movement correlation(i)
+79%
Based on values
95% CI
+78% → +80%
Likely range of correlation
Pipeline
Pipeline Summary
8,142 paired data points survived the daily window.
Raw input
8,143
13,015
Normalized
8,143
13,015
Prepared
8,143
13,015
Aligned
8,142
8,142
Invalid removed
R²(i)
62.2%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
8,142
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
+79%
No shift — both series at their actual dates.
8,142 overlapping points at this shift
Baseline
+79%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+79%
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
+27%
94 periods · Return correlation when both series rose
Both Falling
-6%
77 periods · Return correlation when both series fell
Diverging
-21%
78 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
4,874
A: 1 / B: 4873
Series A
USD/MXN Exchange Rate
DEXMXUS
FRED · 8,143 raw → 8,143 prepared
Series B
USD/LKR Exchange Rate
DEXSLUS
FRED · 13,015 raw → 13,015 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
7
Estimated crossover points between normalized spreads.
Slope
13.1318
Linear regression slope.
Intercept
-36.6304
Linear regression intercept.
Saved 2 days ago · ID: fred-dexmxus_fred-dexslus_daily_5y