KOSPI 200 Volatility Index GARCH Volatility Analysis
Volatility prediction for Monday, July 20th, 2026
1 Day
72.76%
decreased by 4.67%
1 Week
77.14%
decreased by 0.29%
1 Month
84.85%
increased by 7.42%
Analysis last updated: Friday, July 17, 2026 at 11:36 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 2003 to Jul 16, 2026Model Insight
Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.1187 | 19.52*** |
α ARCH Response to squared shocks | 0.1831 | 26.39*** |
β GARCH Volatility persistence | 0.6912 | 64.98*** |
Persistence:
0.874
Half-life:
5 days
Other KOSPI 200 Volatility Index Analyses
Other GARCH Analyses on Volatility Indices