V-Lab
S&P MERVAL Argentina Total Return Index ARS Asy. MEM Volatility Analysis
Volatility prediction for Monday, September 7th, 2026
1 Day
29.86%
decreased by 1.58%
1 Week
30.41%
decreased by 1.03%
1 Month
32.20%
increased by 0.76%
Analysis last updated: Friday, September 4, 2026 at 09:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 30, 1991 to Sep 4, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 43% more than equivalent positive returns.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1587 | 7.91*** |
α ARCH Response to squared shocks | 0.1698 | 9.43*** |
β GARCH Volatility persistence | 0.7683 | 66.13*** |
γ leverage Additional response to negative shocks | 0.0722 | 2.33** |
Persistence:
0.974
Half-life:
27 days
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