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Data from FMP. Forecasts by Sigmanomics Forecast Engine.
South KoreaSouth Korea Interest Rate Decision climbed to 3.0% in August 2026
FMPMonthlyReleased August 2026
South Korea Interest Rate Decision climbed to 3.0% in August 2026, up 0.25% from July's 2.75% reading. The reading matched the 3.0% consensus. The print is running well above the 12-month average of 2.58%. Interest Rate Decision is now the highest in 21 months.
Latest Release
3
Actual
3
Consensus
2.75
Previous
Median Absolute Error
±0 percentage points
across last 12 releases
Last Call
Aug 2026
Predicted: 3
Actual: 3
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 |
|---|---|---|---|---|---|
| BTC/USD | ▲ Direct | +0.46 | CRYPTO | Moves with | → View |
| XAU/USD | ▼ Inverse | −0.44 | COMMODITIES | Moves against | → View |
Correlation based on 12-month rolling window. Click any symbol to view its Sigmanomics forecast page.
THE RELEASE
Interest Rate Decision (South Korea) was reported at 3% in August 2026. This matched the market consensus of 3% exactly. The reading rose from the previous value of 2.75%. Trailing 12-month context per ETL data through August 2026. Over the past 12 months, the indicator has averaged 2.58%, ranging from 2.5% to 3% across 6 releases.
WHY IT MATTERS
The trailing three releases averaged 2.67%, up from the prior three at 2.5%. Volatility over the past year (σ 0.19%) is lower than the prior year (σ 0.26%). In August readings over the past 3 years, Interest Rate Decision has averaged 3%.
THE MODEL'S TAKE
Historically, this indicator is positively correlated with BTC/USD (Bullish BTC). A secondary relationship exists with XAU/USD, negatively correlated (Bearish XAU). Over the last 12 releases, the Sigmacast model's median absolute error is 0%.
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 August 2026.
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Interest Rate Decision - KR
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About Interest Rate Decision — South Korea
DEFINITION
The Interest Rate Decision is a key financial indicator that reflects the decision made by a central bank or monetary authority to either increase, decrease, or maintain the current interest rates. This decision has a significant impact on the economy, as it affects the cost of borrowing money, inflation rates, and overall economic growth. Investors and businesses closely monitor interest rate decisions as they can have a significant impact on financial markets and investment strategies.
WHY THIS INDICATOR MATTERS
Policy-rate decisions and associated communication are the primary near-term driver of front-end rates, currencies, and equity-discount-rate inputs. Surprises against consensus can drive short-term moves, particularly when the print breaks an established trend. Released monthly.
WHAT CHANGED THIS MONTH
Latest reading (Aug 2026): actual 3 %, consensus 3 %. Prior reading (May 2026): 2.5 %. Before that (Apr 2026): 2.5 %.
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 BTC/USD (Bullish BTC, r=0.46) — a useful reference for crypto-focused traders.
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EXPECTED ZONE
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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 |