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Correlation
of values
+33%
In sync
of periods
51%
History
monthsmonths · through 2026-03
540
These move in the same direction about 51% of the time
Their swing sizes only faintly line up (~11% 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
USD/KRW Exchange Rate moves ~18 months before Total Vehicle Sales
Watch USD/KRW Exchange Rate for an early read on Total Vehicle Sales.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Advanced
Statistics
In sync(i)
51.0%
Headline metric
Movement correlation(i)
+33%
Based on values
95% CI
+25% → +40%
Likely range of correlation
Pipeline
Pipeline Summary
540 paired data points survived the monthly window.
Raw input
603
11,271
Normalized
603
11,271
Prepared
603
542
Aligned
540
540
Invalid removed
R²(i)
10.9%
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
-18 months
Correlation at this shift
+42%
+9% stronger than no-shift baseline
USD/KRW Exchange Rate shifted 18 months later. Reads: "Does Total Vehicle Sales today line up with USD/KRW Exchange Rate 18 months ago?"
522 overlapping points at this shift
Baseline
+33%
No-shift correlation, matching the main time-series chart above.
Peak shift
-18 months
+42%
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
-9%
22 periods · Return correlation when both series rose
Both Falling
-4%
12 periods · Return correlation when both series fell
Diverging
-34%
32 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
65
A: 63 / B: 2
Series A
Total Vehicle Sales
TOTALSA
FRED · 603 raw → 603 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
32.8450
Linear regression slope.
Intercept
525.7291
Linear regression intercept.
Saved 3 weeks ago · ID: fred-dexkous_fred-totalsa_monthly_5y