V-Lab
Inmocemento S A Asy. MEM Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
39.47%
decreased by 4.80%
1 Week
43.81%
decreased by 0.46%
1 Month
49.52%
increased by 5.25%
Analysis last updated: Tuesday, September 8, 2026 at 09:48 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 12, 2024 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days.
μ
AMEM Model
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Shock decay: Shocks decay with a 4-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.9516 | 2.36** |
| αARCH | 0.2209 | 2.89*** |
| βGARCH | 0.5430 | 4.43*** |
| γleverage | 0.1176 | 0.53 |
0.823
Persistence4d
Half-lifeμ
AMEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.9516 | 2.36** |
α ARCH Response to squared shocks | 0.2209 | 2.89*** |
β GARCH Volatility persistence | 0.5430 | 4.43*** |
γ leverage Additional response to negative shocks | 0.1176 | 0.53 |
Persistence:
0.823
Half-life:
4 days
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