V-Lab
ExxonMobil Holdings Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
24.32%
decreased by 0.84%
1 Week
24.34%
decreased by 0.82%
1 Month
24.40%
decreased by 0.76%
Analysis last updated: Friday, July 24, 2026 at 11:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Jul 24, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 102% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0252 | 20.42*** |
α ARCH Response to squared shocks | 0.0434 | 19.40*** |
β GARCH Volatility persistence | 0.9244 | 528.82*** |
γ leverage Additional response to negative shocks | 0.0443 | 9.10*** |
Persistence:
0.990
Half-life:
69 days
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