Kei Industries Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 29th, 2026
1 Day
54.45%
decreased by 2.24%
1 Week
54.31%
decreased by 2.38%
1 Month
53.84%
decreased by 2.85%
Analysis last updated: Thursday, October 29, 2026 at 10:28 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 5, 2006 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 21 trading days, meaning a shock loses half its impact after approximately 21 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 21-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3494 | 4.23*** |
| αARCH | 0.0633 | 4.54*** |
| βGARCH | 0.8944 | 53.87*** |
| γleverage | 0.0197 | 0.69 |
0.968
Persistence21d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3494 | 4.23*** |
α ARCH Response to squared shocks | 0.0633 | 4.54*** |
β GARCH Volatility persistence | 0.8944 | 53.87*** |
γ leverage Additional response to negative shocks | 0.0197 | 0.69 |
Persistence:
0.968
Half-life:
21 days
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