V-Lab
Chevron Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
21.28%
decreased by 0.65%
1 Week
21.41%
decreased by 0.52%
1 Month
21.86%
decreased by 0.07%
Analysis last updated: Friday, July 24, 2026 at 10:28 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 176% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0418 | 20.60*** |
α ARCH Response to squared shocks | 0.0343 | 16.55*** |
β GARCH Volatility persistence | 0.9185 | 455.85*** |
γ leverage Additional response to negative shocks | 0.0602 | 12.73*** |
Persistence:
0.983
Half-life:
40 days
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