V-Lab
Daehan Steel Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
45.26%
increased by 4.96%
1 Week
45.19%
increased by 4.89%
1 Month
44.95%
increased by 4.65%
Analysis last updated: Friday, July 24, 2026 at 07:46 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 31, 2005 to Jul 16, 2026Model Insight
Volatility shocks decay with a half-life of 22 trading days, meaning a shock loses half its impact after approximately 22 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2390 | 18.98*** |
α ARCH Response to squared shocks | 0.0807 | 20.66*** |
β GARCH Volatility persistence | 0.8825 | 236.53*** |
γ leverage Additional response to negative shocks | 0.0115 | 1.38 |
Persistence:
0.969
Half-life:
22 days
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