Correlation Analysis
Real Gross Domestic Product for Republic of Korea vs Consumer Price Indices (CPIs, HICPs), COICOP 1999: Consumer Price Index: Total for Korea
NGDPRSAXDCKRQ vs KORCPIALLMINMEI
+0.983
Very strong positive
When one moves up, the other tends to follow.
AI Analysis
The strong correlation between Series A (NGDP) and Series B (Korea's CPI) indicates that changes in nominal GDP closely follow changes in consumer prices in Korea, suggesting that economic growth and inflation are tightly linked in this context. The fact that consumer prices lead nominal GDP by five periods means that inflation trends can provide early signals about future economic growth, which is crucial for investors looking to make informed decisions. However, it's important to consider that while this relationship is robust historically, external factors or policy changes could alter this dynamic in the future.
Timing Offset
y leads x by 5 periods
KORCPIALLMINMEI tends to move before NGDPRSAXDCKRQ.
Correlation at each lag offset (periods). Peak marked with dot.
Peak correlation at offset: +0.998 (13 lags scanned)
R-Squared
96.6%
Share of variance in one series explained by the other.
Trend Agreement
97.1%
How often both series moved in the same direction period-to-period.
Overlap Quality
256
Robust shared window — 256 usable pairs.
Significance
p < 0.001
95% CI: [0.966, 0.991] (approximate)
Time Series
Rebased to 100
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
256 paired observations survived the daily window.
Raw input
264
767
Normalized
264
767
Prepared
264
767
Aligned
256
256
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
519
A: 8 / B: 511
Series A
NGDPRSAXDCKRQ
Real Gross Domestic Product for Republic of Korea
FRED · 264 raw → 264 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
0.0000
Linear regression slope.
Intercept
8.5114
Linear regression intercept.
Saved 13 hours ago · ID: fred-ngdprsaxdckrq-vs-fred-korcpiallminmei-daily-20260406-tlvupt