V-Lab
Vietnam Hanoi Stock Exchange Equity Index MF2-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
31.48%
decreased by 1.46%
1 Week
31.51%
decreased by 1.43%
1 Month
32.22%
decreased by 0.72%
Analysis last updated: Friday, July 24, 2026 at 11:20 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 13, 2005 to Apr 29, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 102% more than equivalent positive returns.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.1342 | 29.63*** |
β GARCH Volatility persistence | 0.7340 | 122.94*** |
γ leverage Additional response to negative shocks | 0.1364 | 20.12*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0076 | 11.06*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0232 | 11.18*** |
λ₃ tau persistence Long-term factor persistence | 0.9743 | 438.29*** |
Persistence:
0.936
Half-life:
11 days
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