V-Lab
Portfolio Building Block Integrated Oil Gas Exploration & Production Index ETF GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
25.75%
unchanged at 0.00%
1 Week
25.75%
unchanged at 0.00%
1 Month
25.76%
increased by 0.01%
Analysis last updated: Friday, July 24, 2026 at 09:55 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 25, 2025 to Jul 24, 2026Hessian SE
Model Insight
Volatility shocks decay with a half-life of 21 trading days, meaning a shock loses half its impact after approximately 21 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0873 | 0.02 |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.9669 | 0.90 |
γ leverage Additional response to negative shocks | 0.0000 | 0.00 |
Persistence:
0.967
Half-life:
21 days
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