Strong H Machinery Technology Cayman Inc GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
22.61%
increased by 0.04%
1 Week
22.71%
increased by 0.14%
1 Month
23.09%
increased by 0.52%
Analysis last updated: Tuesday, July 14, 2026 at 08:16 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 9, 2016 to Jul 3, 2026Model Insight
With persistence 0.991, volatility shocks have a half-life of 74 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0281 | 8.10*** |
α ARCH Response to squared shocks | 0.0605 | 9.79*** |
β GARCH Volatility persistence | 0.9196 | 179.56*** |
γ leverage Additional response to negative shocks | 0.0212 | 1.54 |
Persistence:
0.991
Half-life:
74 days
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