Onex Corp (Japan) GJR-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Friday, October 23rd, 2026
1 Day
36.16%
1 Week
38.65%
1 Month
47.32%
Analysis last updated: Friday, October 23, 2026 at 07:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 26, 1997 to Oct 16, 2026Model Insight
With persistence 1.000, volatility shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
GJR-GARCH Model
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| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3695 | 3.51*** |
| αARCH | 0.1412 | 5.27*** |
| βGARCH | 0.8302 | 33.83*** |
| γleverage | 0.0572 | 0.99 |
1.000
Persistence1386294d
Half-lifeGJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3695 | 3.51*** |
α ARCH Response to squared shocks | 0.1412 | 5.27*** |
β GARCH Volatility persistence | 0.8302 | 33.83*** |
γ leverage Additional response to negative shocks | 0.0572 | 0.99 |
Persistence:
1.000
Half-life:
1386294 days
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