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Correlation
of values
+69%
In sync
of periods
49%
History
monthsmonths · through 2026-04
541
These move in the same direction about 49% of the time
When one swings, the other often swings by a similar amount (~47% 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
CPI: Used Cars & Trucks moves ~18 months before USD/KRW Exchange Rate
Watch CPI: Used Cars & Trucks for an early read on USD/KRW Exchange Rate.
Tighter in drawdowns
The relationship is stronger when both prices are falling than when both are rising — typical risk-off behaviour.
Advanced
Statistics
In sync(i)
48.8%
Headline metric
Movement correlation(i)
+69%
Based on values
95% CI
+64% → +73%
Likely range of correlation
Pipeline
Pipeline Summary
541 paired data points survived the monthly window.
Raw input
880
11,271
Normalized
880
11,271
Prepared
880
542
Aligned
541
541
Invalid removed
R²(i)
47.5%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points
541
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
+18 months
Correlation at this shift
+74%
+6% stronger than no-shift baseline
USD/KRW Exchange Rate shifted 18 months earlier. Reads: "Does CPI: Used Cars & Trucks today line up with USD/KRW Exchange Rate 18 months from now?"
523 overlapping points at this shift
Baseline
+69%
No-shift correlation, matching the main time-series chart above.
Peak shift
+18 months
+74%
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
-12%
21 periods · Return correlation when both series rose
Both Falling
+39%
9 periods · Return correlation when both series fell
Diverging
-58%
32 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
340
A: 339 / B: 1
Series A
CPI: Used Cars & Trucks
CUSR0000SETA02
FRED · 880 raw → 880 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
11
Estimated crossover points between normalized spreads.
Slope
6.0338
Linear regression slope.
Intercept
181.6087
Linear regression intercept.
Saved 3 weeks ago · ID: fred-cusr0000seta02_fred-dexkous_monthly_5y