G-Shank Enterprise Co Ltd GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
45.22%
decreased by 0.70%
1 Week
45.14%
decreased by 0.78%
1 Month
44.87%
decreased by 1.05%
Analysis last updated: Tuesday, July 14, 2026 at 08:20 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 7, 2001 to Jul 3, 2026Model Insight
With persistence 0.995, volatility shocks have a half-life of 127 trading days (~0.5 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 | 0.0313 | 13.57*** |
α ARCH Response to squared shocks | 0.0529 | 14.32*** |
β GARCH Volatility persistence | 0.9431 | 430.44*** |
γ leverage Additional response to negative shocks | -0.0029 | -0.45 |
Persistence:
0.995
Half-life:
127 days
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