Vietnam Ho Chi Minh Stock Index / VN-Index EGARCH Volatility Analysis
Volatility prediction for Friday, October 2nd, 2026
1 Day
16.46%
increased by 1.56%
1 Week
16.87%
increased by 1.97%
1 Month
18.18%
increased by 3.28%
Analysis last updated: Friday, October 2, 2026 at 09:40 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 28, 2000 to Oct 1, 2026Model Insight
Volatility shocks decay with a half-life of 14 trading days, meaning a shock loses half its impact after approximately 14 days.
σ
EGARCH Model
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Shock decay: Shocks decay with a 14-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0290 | 4.30*** |
| αARCH | 0.3474 | 14.54*** |
| βGARCH | 0.9531 | 131.73*** |
| γleverage | -0.0303 | -1.79* |
0.953
Persistence14d
Half-lifeσ
EGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0290 | 4.30*** |
α ARCH Response to squared shocks | 0.3474 | 14.54*** |
β GARCH Volatility persistence | 0.9531 | 131.73*** |
γ leverage Additional response to negative shocks | -0.0303 | -1.79* |
Persistence:
0.953
Half-life:
14 days
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