V-Lab
ExxonMobil Holdings Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
23.01%
decreased by 0.08%
1 Week
23.06%
decreased by 0.03%
1 Month
23.22%
increased by 0.13%
Analysis last updated: Friday, August 7, 2026 at 11:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 7, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 103% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0253 | 20.44*** |
α ARCH Response to squared shocks | 0.0433 | 19.40*** |
β GARCH Volatility persistence | 0.9243 | 528.47*** |
γ leverage Additional response to negative shocks | 0.0446 | 9.18*** |
Persistence:
0.990
Half-life:
68 days
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