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Data from FMP. Forecasts by Sigmanomics Forecast Engine.
South KoreaSouth Korea GDP Growth Rate YoY fell to 3.7% in April 2026
FMPQuarterlyReleased September 2026
South Korea GDP Growth Rate YoY fell to 3.7% in April 2026, released September 2026, down 0.1% from March's 3.8% reading. The reading matched the 3.7% consensus. The print is running well above the 12-month average of 1.45%. The reading is in the 89th percentile of the trailing 24-month range.
Latest Release
3.7
Actual
3.7
Consensus
3.8
Previous
Median Absolute Error
±0.2 percentage points
across last 12 releases
Last Call
Sep 2026
Predicted: 3.7
Actual: 3.7
Error: +0
Sigmacast Σ-direction model: consensus + ½ × mean(surprise, trailing 90d).
CORRELATED SYMBOLS— markets that historically move with this indicator
| Symbol | Direction | Correlation | Asset Class | Co-movement | Action |
|---|---|---|---|---|---|
| USD/KRW | ▼ Inverse | −0.56 | FOREX | Moves against | → View |
| BTC/USD | ▼ Inverse | −0.45 | CRYPTO | Moves against | → View |
Correlation based on 12-month rolling window. Click any symbol to view its Sigmanomics forecast page.
THE RELEASE
GDP Growth Rate YoY (South Korea) was reported at 3.7% in September 2026. This matched the market consensus of 3.7% exactly. The reading fell from the previous value of 3.8%. Trailing 12-month context per ETL data through September 2026.
WHY IT MATTERS
The trailing three releases averaged 3.03%, up from the prior three at 1.37%. In September readings over the past 3 years, GDP Growth Rate YoY has averaged 2.2%.
THE MODEL'S TAKE
Historically, this indicator is negatively correlated with USD/KRW (Bearish USD). A secondary relationship exists with BTC/USD, negatively correlated (Bearish BTC). Over the last 12 releases, the Sigmacast model's median absolute error is 0.2%.
WHAT TO WATCH NEXT
Same-country events in the next 14 days include Consumer Confidence (Sep 22) and Business Confidence (Sep 28).
Auto-generated from current model state · Refreshes on each release · Last update September 2026.
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GDP Growth Rate YoY - KR
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About GDP Growth Rate YoY — South Korea
DEFINITION
The GDP Growth Rate YoY (Year-over-Year) is a key economic indicator that measures the annual change in a country's Gross Domestic Product (GDP). It provides insight into the overall health and performance of an economy, as a higher growth rate indicates a stronger and more robust economy. This indicator is closely monitored by policymakers, investors, and businesses to make informed decisions and assess the current and future economic outlook. A positive GDP Growth Rate YoY is generally seen as a positive sign of economic growth and stability, while a negative growth rate may indicate a slowdown or recession.
WHY THIS INDICATOR MATTERS
Aggregate growth figures anchor cyclical positioning across asset classes and inform fiscal and monetary policy debate. Surprises against consensus can drive short-term moves, particularly when the print breaks an established trend. Released quarterly.
WHAT CHANGED THIS MONTH
Latest reading (Apr 2026): actual 3.7 %, consensus 3.5 %. Prior reading (Jan 2026): 3.8 %. Before that (Jan 2026): 3.6 %.
WHAT'S NEXT
Sigmacast's 1-month forecast points to a higher reading versus the latest print, with the 3-month outlook reinforcing that direction. Both horizons are aligned bullish for this indicator, suggesting a consistent trend signal. Trend-driven dynamics are the primary tailwind in the current projection. This indicator correlates most strongly with USD/KRW (Bearish USD, r=-0.56) — a useful reference for forex-focused traders.
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Economic Calendar - KR Events
| Monday, September 14, 2026 | Actual | Previous | Consensus | Sigmanomics Rolling-Surprise Forecast | Impact | ||
|---|---|---|---|---|---|---|---|
| 21:00 | KR | Import Prices YoY | 15.6 | 18.8 | 23 | 19.30 | Low |
| 21:00 | KR | Export Prices YoY | 42.4 | 48.9 | 52 | 47.20 | Low |