Correlation Analysis
Real Gross Domestic Product for Republic of Korea vs Gross Domestic Product
NGDPRSAXDCKRQ vs GDP
+0.986
Very strong positive
When one moves up, the other tends to follow.
AI Analysis
The near-perfect correlation between Series A and GDP indicates that movements in Series A are closely aligned with changes in economic output, as reflected by GDP, which can be particularly useful for investors looking to predict economic trends. Notably, GDP tends to lead Series A by three periods, suggesting that shifts in economic performance can be anticipated by monitoring Series A, providing a strategic edge in decision-making. However, it's important to consider that while this correlation is strong, it does not imply causation, and external factors could still influence both series independently.
Timing Offset
y leads x by 3 periods
GDP tends to move before NGDPRSAXDCKRQ.
Correlation at each lag offset (periods). Peak marked with dot.
Peak correlation at offset: +0.995 (13 lags scanned)
R-Squared
96.9%
Share of variance in one series explained by the other.
Trend Agreement
100.0%
How often both series moved in the same direction period-to-period.
Overlap Quality
264
Robust shared window — 264 usable pairs.
Time Series
Rebased to 100
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
264 paired observations survived the daily window.
Raw input
264
316
Normalized
264
316
Prepared
264
316
Aligned
264
264
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
52
A: 0 / B: 52
Series A
NGDPRSAXDCKRQ
Real Gross Domestic Product for Republic of Korea
FRED · 264 raw → 264 prepared
Series B
GDP
Gross Domestic Product
FRED · 316 raw → 316 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0000
Linear regression slope.
Intercept
115.9026
Linear regression intercept.
Saved 10 hours ago · ID: fred-ngdprsaxdckrq-vs-fred-gdp-daily-20260406-yumm0y