Correlation Analysis
South Korean Won to U.S. Dollar Spot Exchange Rate vs Consumer Price Indices (CPIs, HICPs), COICOP 1999: Consumer Price Index: Total for Korea
DEXKOUS vs KORCPIALLMINMEI
+0.754
Strong positive
When one moves up, the other tends to follow.
AI Analysis
The strong correlation between Series A (DEXKOUS) and Series B (KORCPIALLMINMEI) suggests that they tend to move together, indicating that trends in one series can provide insights into the other. With nearly half of the periods showing aligned movements, investors might use this relationship to inform their strategies, especially since the two series are in sync, meaning changes in one are likely to precede changes in the other without a significant timing lag. However, it’s important to note that while the correlation is robust, it does not imply causation, and external factors could influence both series independently.
Timing Offset
in sync
DEXKOUS and KORCPIALLMINMEI tend to move at the same time.
Correlation at each lag offset (periods). Peak marked with dot.
Peak correlation at offset: +0.773 (13 lags scanned)
R-Squared
59.8%
Share of variance in one series explained by the other.
Trend Agreement
48.6%
How often both series moved in the same direction period-to-period.
Overlap Quality
512
Robust shared window — 512 usable pairs.
Significance
p < 0.001
95% CI: [0.596, 0.879] (approximate)
Time Series
Rebased to 100
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
512 paired observations survived the monthly window.
Raw input
11,236
767
Normalized
11,236
767
Prepared
540
767
Aligned
512
512
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
283
A: 28 / B: 255
Series A
DEXKOUS
South Korean Won to U.S. Dollar Spot Exchange Rate
FRED · 11,236 raw → 540 prepared
Series B
KORCPIALLMINMEI
Consumer Price Indices (CPIs, HICPs), COICOP 1999: Consumer Price Index: Total for Korea
FRED · 767 raw → 767 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.1030
Linear regression slope.
Intercept
-33.6796
Linear regression intercept.
Saved 13 hours ago · ID: fred-dexkous-vs-fred-korcpiallminmei-monthly-20260406-mqrtuy