V-Lab
Chevron Corp Asy. Power MEM Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
24.25%
decreased by 2.53%
1 Week
23.33%
decreased by 3.45%
1 Month
20.85%
decreased by 5.93%
Analysis last updated: Friday, August 7, 2026 at 10:33 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 modest leverage effect: negative returns increase next-day volatility 31% more than equivalent positive returns. The volatility power δ = 1.23 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.
μ
APMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0645 | 29.12*** |
α ARCH Response to squared shocks | 0.2053 | 72.61*** |
β GARCH Volatility persistence | 0.7689 | 244.41*** |
γ leverage Additional response to negative shocks | 0.1098 | 24.65*** |
δ power Transformation power | 1.2262 | 26.15*** |
Persistence:
0.937
Half-life:
11 days
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