V-Lab
S&P MERVAL Argentina Total Return Index ARS EGARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
31.45%
decreased by 1.60%
1 Week
32.08%
decreased by 0.97%
1 Month
34.30%
increased by 1.25%
Analysis last updated: Friday, August 7, 2026 at 08:47 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 5, 1990 to Aug 7, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 30% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0618 | 21.85*** |
α ARCH Response to squared shocks | 0.2448 | 28.96*** |
β GARCH Volatility persistence | 0.9697 | 639.63*** |
γ leverage Additional response to negative shocks | -0.0319 | -4.63*** |
Persistence:
0.970
Half-life:
23 days
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