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Data from FMP. Forecasts by Sigmanomics Forecast Engine.
South KoreaSouth Korea Import Prices YoY fell to 15.6% in August 2026
FMPMonthlyReleased September 2026
South Korea Import Prices YoY fell to 15.6% in August 2026, released September 2026, down 3.2% from July's 18.8% reading. The reading missed the 23.0% consensus by 7.4%. Import Prices YoY has now declined for 4 consecutive months. Over the past 3 months, Import Prices YoY averaged 19.65%, vs 21.13% in the prior 3-month window. The reading is in the 77th percentile of the trailing 24-month range.
Latest Release
15.6
Actual
23
Consensus
18.8
Previous
Median Absolute Error
±2.7 percentage points
across last 12 releases
Last Call
Sep 2026
Predicted: 19.33
Actual: 15.6
Error: +3.72
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 |
|---|---|---|---|---|---|
| XAU/USD | ▲ Direct | +0.40 | COMMODITIES | Moves with | → View |
| S&P 500 | ▲ Direct | +0.34 | INDEX | Moves with | → View |
Correlation based on 12-month rolling window. Click any symbol to view its Sigmanomics forecast page.
THE RELEASE
Import Prices YoY (South Korea) was reported at 15.6% in September 2026. This missed the market consensus of 23% by 7.4%. The reading fell from the previous value of 18.8%. Trailing 12-month context per ETL data through September 2026. Over the past 12 months, the indicator has averaged 8.44%, ranging from -2.2% to 24.8% across 12 releases.
WHY IT MATTERS
The indicator has been trending downward over the last three releases. The trailing three releases averaged 18.3%, up from the prior three at 15.4%. Volatility over the past year (σ 9.99%) is higher than the prior year (σ 4.81%). In September readings over the past 3 years, Import Prices YoY has averaged 5.07%.
THE MODEL'S TAKE
Historically, this indicator is positively correlated with XAU/USD (Bullish XAU). A secondary relationship exists with S&P 500, positively correlated (Bullish S&P 500). Over the last 12 releases, the Sigmacast model's median absolute error is 2.7%.
WHAT TO WATCH NEXT
The next release is scheduled for October 15, 2026. 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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Import Prices YoY - KR
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About Import Prices YoY — South Korea
DEFINITION
Import Prices YoY is a financial indicator that measures the change in the prices of goods and services imported into a country over a period of one year. This indicator is used to track the impact of international trade on a country's economy and can provide valuable insights into inflation and the strength of the domestic currency. It is closely monitored by policymakers, investors, and businesses to assess the competitiveness of a country's imports and its overall economic health.
WHY THIS INDICATOR MATTERS
Trade-balance and tariff data inform exchange-rate fundamentals and feed directly into GDP via the net-exports channel. The release is more useful as part of a longer-run signal than as a single-print catalyst. Released monthly.
WHAT CHANGED THIS MONTH
Latest reading (Aug 2026): actual 15.6 %, consensus 23 %. Prior reading (Jul 2026): 18.7 %. Before that (Jun 2026): 20.6 %.
WHAT'S NEXT
Sigmacast's 1-month forecast points to a lower reading versus the latest print, with the 3-month outlook reinforcing that direction. Both horizons are aligned bearish for this indicator, suggesting a consistent trend signal. Trend-driven dynamics are the primary headwind in the current projection. This indicator correlates most strongly with XAU/USD (Bullish XAU, r=0.40) — a useful reference for commodities-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 |