V-Lab
South Korean Won EGARCH Volatility Analysis
Volatility prediction for Wednesday, September 16th, 2026
1 Day
7.25%
increased by 0.61%
1 Week
7.35%
increased by 0.71%
1 Month
7.73%
increased by 1.09%
Analysis last updated: Tuesday, September 15, 2026 at 07:10 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1998 to Sep 11, 2026Model Insight
Volatility shocks decay with a half-life of 64 trading days, meaning a shock loses half its impact after approximately 64 days.
σ
EGARCH Model
Tap to view equation
Shock decay: Shocks decay with a 64-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | -0.0037 | -0.90 |
| αARCH | 0.1258 | 7.52*** |
| βGARCH | 0.9892 | 421.47*** |
| γleverage | 0.0191 | 1.55 |
0.989
Persistence64d
Half-lifeσ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | -0.0037 | -0.90 |
α ARCH Response to squared shocks | 0.1258 | 7.52*** |
β GARCH Volatility persistence | 0.9892 | 421.47*** |
γ leverage Additional response to negative shocks | 0.0191 | 1.55 |
Persistence:
0.989
Half-life:
64 days
Other South Korean Won Analyses
Other EGARCH Analyses on Currencies