V-Lab
VanEck Semiconductor ETF Fund EGARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
40.81%
decreased by 1.97%
1 Week
40.64%
decreased by 2.14%
1 Month
40.04%
decreased by 2.74%
Analysis last updated: Friday, August 14, 2026 at 09:41 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 5, 2000 to Aug 14, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 163% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0210 | 11.66*** |
α ARCH Response to squared shocks | 0.1309 | 35.74*** |
β GARCH Volatility persistence | 0.9867 | 1,501.80*** |
γ leverage Additional response to negative shocks | -0.0588 | -16.73*** |
Persistence:
0.987
Half-life:
52 days
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