Vietnam Ho Chi Minh Stock Index / VN-Index EGARCH Volatility Analysis
Volatility prediction for Friday, July 17th, 2026
1 Day
18.40%
increased by 0.07%
1 Week
18.69%
increased by 0.36%
1 Month
19.68%
increased by 1.35%
Analysis last updated: Friday, July 17, 2026 at 11:34 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 12, 2010 to Apr 29, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 80% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0257 | 13.61*** |
α ARCH Response to squared shocks | 0.2306 | 33.00*** |
β GARCH Volatility persistence | 0.9674 | 386.48*** |
γ leverage Additional response to negative shocks | -0.0661 | -8.23*** |
Persistence:
0.967
Half-life:
21 days
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