V-Lab
S&P MERVAL Argentina Total Return Index ARS MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 28th, 2026
1 Day
29.97%
decreased by 3.11%
1 Week
32.13%
decreased by 0.95%
1 Month
35.05%
increased by 1.97%
Analysis last updated: Monday, July 27, 2026 at 08:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 5, 1990 to Jul 24, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 155% more than equivalent positive returns.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 41 | |
α ARCH Response to squared shocks | 0.0729 | 10.93*** |
β GARCH Volatility persistence | 0.7264 | 70.76*** |
γ leverage Additional response to negative shocks | 0.1127 | 20.46*** |
λ₁ tau intercept Baseline long-term coefficient | 0.9034 | 2.76*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.8603 | 3.86*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.856
Half-life:
4 days
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