Correlation Analysis
South Korean Won to U.S. Dollar Spot Exchange Rate vs Real Gross Domestic Product for Republic of Korea
DEXKOUS vs NGDPRSAXDCKRQ
+0.746
Strong positive
When one moves up, the other tends to follow.
AI Analysis
The strong correlation between Series A (DEXKOUS) and Series B (NGDPRSAXDCKRQ) suggests that when one of these economic indicators rises or falls, the other tends to follow suit, reflecting similar trends in economic conditions. With nearly half of the periods showing movement in the same direction, investors may consider these two series as complementary indicators of economic performance. However, it's important to note that while they are often in sync, the timing of their peaks suggests that changes may not happen simultaneously, which could influence decision-making in investment timing and strategies.
Timing Offset
in sync
DEXKOUS and NGDPRSAXDCKRQ tend to move at the same time.
Correlation at each lag offset (periods). Peak marked with dot.
Peak correlation at offset: +0.814 (13 lags scanned)
R-Squared
66.3%
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
179
Usable shared window — 179 usable pairs.
Significance
p < 0.001
95% CI: [0.663, 0.901] (approximate)
Time Series
Rebased to 100
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
179 paired observations survived the monthly window.
Raw input
11,236
264
Normalized
11,236
264
Prepared
540
264
Aligned
179
179
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
446
A: 361 / B: 85
Series A
DEXKOUS
South Korean Won to U.S. Dollar Spot Exchange Rate
FRED · 11,236 raw → 540 prepared
Series B
NGDPRSAXDCKRQ
Real Gross Domestic Product for Republic of Korea
FRED · 264 raw → 264 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
643859.4417
Linear regression slope.
Intercept
-354519936.2826
Linear regression intercept.
Saved 13 hours ago · ID: fred-dexkous-vs-fred-ngdprsaxdckrq-monthly-20260406-hyzths