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Correlation
of values
+28%
In sync
of periods
56%
History
daysdays · through 2026-05-15
11,271
These move in the same direction about 56% of the time
Their swing sizes only faintly line up (~8% of the pattern is shared).
A faint pattern — interesting as colour, not strong enough to act on alone.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
Unusual right now
Recently tighter than usual — the pair is behaving differently than its long-run pattern.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Mostly stable
The relationship drifts a little but stays in the same neighbourhood.
Advanced
Statistics
In sync(i)
56.4%
Headline metric
Movement correlation(i)
+28%
Based on values
95% CI
+27% → +30%
Likely range of correlation
Pipeline
Pipeline Summary
11,271 paired data points survived the daily window.
Raw input
13,891
11,271
Normalized
13,891
11,271
Prepared
13,891
11,271
Aligned
11,271
11,271
Invalid removed
R²(i)
8.0%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
11,271
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
+28%
No shift — both series at their actual dates.
11,271 overlapping points at this shift
Baseline
+28%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+28%
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
+32%
86 periods · Return correlation when both series rose
Both Falling
+22%
88 periods · Return correlation when both series fell
Diverging
-54%
75 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
2,620
A: 2620 / B: 0
Series A
USD/CAD Exchange Rate
DEXCAUS
FRED · 13,891 raw → 13,891 prepared
Series B
USD/KRW Exchange Rate
DEXKOUS
FRED · 11,271 raw → 11,271 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
33
Estimated crossover points between normalized spreads.
Slope
428.1476
Linear regression slope.
Intercept
486.5630
Linear regression intercept.
Saved 2 weeks ago · ID: fred-dexcaus_fred-dexkous_daily_5y