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V-Lab

Chevron Corp GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

21.92%

decreased by 0.66%

1 Week

22.02%

decreased by 0.56%

1 Month

22.40%

decreased by 0.18%

Analysis last updated: Friday, August 21, 2026 at 10:35 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Chevron Corp GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Aug 21, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 177% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0421
20.66***
α

ARCH

Response to squared shocks

0.0342
16.60***
β

GARCH

Volatility persistence

0.9182
457.51***
γ

leverage

Additional response to negative shocks

0.0608
12.82***

Persistence:

0.983

Half-life:

40 days