V-Lab
Valid Solucoes E Servicos De GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
25.50%
decreased by 0.54%
1 Week
26.21%
increased by 0.17%
1 Month
28.59%
increased by 2.55%
Analysis last updated: Sunday, July 26, 2026 at 07:13 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 27, 2006 to Jul 24, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 161% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1168 | 18.64*** |
α ARCH Response to squared shocks | 0.0451 | 16.16*** |
β GARCH Volatility persistence | 0.9018 | 332.53*** |
γ leverage Additional response to negative shocks | 0.0726 | 8.90*** |
Persistence:
0.983
Half-life:
41 days
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