V-Lab
ExxonMobil Holdings Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
22.19%
decreased by 0.54%
1 Week
22.26%
decreased by 0.47%
1 Month
22.49%
decreased by 0.24%
Analysis last updated: Friday, August 21, 2026 at 11:13 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 21, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 104% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0251 | 20.35*** |
α ARCH Response to squared shocks | 0.0431 | 19.45*** |
β GARCH Volatility persistence | 0.9246 | 530.79*** |
γ leverage Additional response to negative shocks | 0.0446 | 9.22*** |
Persistence:
0.990
Half-life:
69 days
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