Vietnam Hanoi Stock Exchange Equity Index Asy. MEM Volatility Analysis
Volatility prediction for Friday, July 10th, 2026
1 Day
30.17%
decreased by 2.17%
1 Week
30.17%
decreased by 2.17%
1 Month
30.18%
decreased by 2.16%
Analysis last updated: Friday, July 10, 2026 at 08:32 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 3, 2007 to Apr 29, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 15% more than equivalent positive returns.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0601 | 18.86*** |
α ARCH Response to squared shocks | 0.2468 | 27.63*** |
β GARCH Volatility persistence | 0.7179 | 172.03*** |
γ leverage Additional response to negative shocks | 0.0375 | 2.71*** |
Persistence:
0.983
Half-life:
42 days
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