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Correlation
of values
+45%
In sync
of periods
46%
History
monthsmonths · through 2026-04
541
These move in the same direction about 46% of the time
Their swing sizes loosely line up (~20% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
On a log scale so equal % moves take equal vertical space — best when one series has grown much faster than the other.
What to Watch
USD/KRW Exchange Rate moves ~18 months before Spot Crude Oil Price: West Texas Intermediate
Watch USD/KRW Exchange Rate for an early read on Spot Crude Oil Price: West Texas Intermediate.
Decouples in drawdowns
The relationship weakens when both prices are falling — don't count on this pair as a hedge under stress.
Advanced
Statistics
In sync(i)
45.7%
Headline metric
Movement correlation(i)
+45%
Based on values
95% CI
+38% → +51%
Likely range of correlation
Pipeline
Pipeline Summary
541 paired data points survived the monthly window.
Raw input
964
11,271
Normalized
964
11,271
Prepared
964
542
Aligned
541
541
Invalid removed
R²(i)
19.9%
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
+53%
+8% stronger than no-shift baseline
USD/KRW Exchange Rate shifted 18 months later. Reads: "Does Spot Crude Oil Price: West Texas Intermediate today line up with USD/KRW Exchange Rate 18 months ago?"
523 overlapping points at this shift
Baseline
+45%
No-shift correlation, matching the main time-series chart above.
Peak shift
-18 months
+53%
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
+49%
15 periods · Return correlation when both series rose
Both Falling
+7%
13 periods · Return correlation when both series fell
Diverging
-43%
30 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
424
A: 423 / B: 1
Series A
Spot Crude Oil Price: West Texas Intermediate
WTISPLC
FRED · 964 raw → 964 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
9
Estimated crossover points between normalized spreads.
Slope
3.4753
Linear regression slope.
Intercept
869.7380
Linear regression intercept.
Saved 3 weeks ago · ID: fred-dexkous_fred-wtisplc_monthly_5y