V-Lab
Kei Industries Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, October 7th, 2026
1 Day
41.69%
decreased by 0.42%
1 Week
42.39%
increased by 0.28%
1 Month
44.60%
increased by 2.49%
Analysis last updated: Wednesday, October 7, 2026 at 07:12 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 1, 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
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Shock decay: Shocks decay with a 22-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3397 | 4.23*** |
| αARCH | 0.0628 | 4.53*** |
| βGARCH | 0.8964 | 55.08*** |
| γleverage | 0.0183 | 0.66 |
0.968
Persistence22d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3397 | 4.23*** |
α ARCH Response to squared shocks | 0.0628 | 4.53*** |
β GARCH Volatility persistence | 0.8964 | 55.08*** |
γ leverage Additional response to negative shocks | 0.0183 | 0.66 |
Persistence:
0.968
Half-life:
22 days
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