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Correlation
of values
+77%
In sync
of periods
52%
History
monthsmonths · through 2026-04
540
These move in the same direction about 52% of the time
When one swings, the other often swings by a similar amount (~60% 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)
52.0%
Headline metric
Movement correlation(i)
+77%
Based on values
95% CI
+74% → +81%
Pipeline
Pipeline Summary
540 paired data points survived the monthly window.
Raw input
951
11,271
Normalized
951
11,271
Prepared
951
542
Aligned
540
540
Invalid removed
Likely range of correlation
R²(i)
60.0%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
540
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
+77%
No shift — both series at their actual dates.
540 overlapping points at this shift
Baseline
+77%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+77%
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
+14%
29 periods · Return correlation when both series rose
Both Falling
N/A
3 periods · Return correlation when both series fell
Diverging
-74%
32 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
413
A: 411 / B: 2
Series A
US CPI
CPIAUCSL
FRED · 951 raw → 951 prepared
Series B
USD/KRW Exchange Rate
DEXKOUS
FRED · 11,271 raw → 542 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
17
Estimated crossover points between normalized spreads.
Slope
2.7256
Linear regression slope.
Intercept
510.2629
Linear regression intercept.
Saved 3 weeks ago · ID: fred-cpiaucsl_fred-dexkous_monthly_5y