V-Lab
Portfolio Building Block Integrated Oil Gas Exploration & Production Index ETF EGARCH Volatility Analysis
Volatility prediction for Tuesday, August 11th, 2026
1 Day
13.23%
decreased by 10.94%
1 Week
20.89%
decreased by 3.28%
1 Month
23.54%
decreased by 0.63%
Analysis last updated: Monday, August 10, 2026 at 09:30 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 25, 2025 to Aug 7, 2026Model Insight
The leverage effect is captured by the negative gamma (gamma = -0.1185), confirming that negative shocks increase volatility more than positive shocks of equal magnitude.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5343 | 10.96*** |
α ARCH Response to squared shocks | -0.5064 | -13.06*** |
β GARCH Volatility persistence | 0.3737 | 6.94*** |
γ leverage Additional response to negative shocks | -0.1185 | -3.60*** |
Persistence:
0.374
Half-life:
1 days
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