South Korean Won GARCH Volatility Analysis
Volatility prediction for Wednesday, July 22nd, 2026
1 Day
8.70%
decreased by 0.18%
1 Week
8.69%
decreased by 0.19%
1 Month
8.63%
decreased by 0.25%
Analysis last updated: Tuesday, July 21, 2026 at 07:19 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1998 to Jul 17, 2026Model Insight
With persistence 0.992, volatility shocks have a half-life of 83 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0020 | 21.66*** |
α ARCH Response to squared shocks | 0.0576 | 32.57*** |
β GARCH Volatility persistence | 0.9341 | 556.03*** |
Persistence:
0.992
Half-life:
83 days
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