V-Lab
Inmocemento S A GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
22.88%
decreased by 0.32%
1 Week
24.95%
increased by 1.75%
1 Month
27.82%
increased by 4.62%
Analysis last updated: Sunday, August 23, 2026 at 01:43 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 12, 2024 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5846 | 5.97*** |
α ARCH Response to squared shocks | 0.1420 | 5.34*** |
β GARCH Volatility persistence | 0.6943 | 17.69*** |
γ leverage Additional response to negative shocks | -0.0115 | -0.28 |
Persistence:
0.831
Half-life:
4 days
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