V-Lab
Vaneck Emerging Market B ETF GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 11th, 2026
1 Day
4.75%
increased by 0.39%
1 Week
4.89%
increased by 0.53%
1 Month
5.33%
increased by 0.97%
Analysis last updated: Monday, August 10, 2026 at 09:39 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 6, 2025 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 19 trading days, meaning a shock loses half its impact after approximately 19 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0061 | 4.99*** |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8762 | 44.96*** |
γ leverage Additional response to negative shocks | 0.1753 | 4.68*** |
Persistence:
0.964
Half-life:
19 days
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