V-Lab
Integra Essentia Limited GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
60.24%
decreased by 1.13%
1 Week
60.16%
decreased by 1.21%
1 Month
59.85%
decreased by 1.52%
Analysis last updated: Tuesday, August 25, 2026 at 06:54 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 20, 2013 to Aug 21, 2026Model Insight
With persistence 0.993, volatility shocks have a half-life of 96 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Leverage: Negative returns increase volatility 54% more than positive returns
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0839 | 9.15*** |
α ARCH Response to squared shocks | 0.0733 | 8.13*** |
β GARCH Volatility persistence | 0.8996 | 151.22*** |
γ leverage Additional response to negative shocks | 0.0399 | 3.02*** |
Persistence:
0.993
Half-life:
96 days
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