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V-Lab

Chevron Corp Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Thursday, October 29th, 2026

1 Day

22.87%

decreased by 0.71%

1 Week

22.94%

decreased by 0.64%

1 Month

23.18%

decreased by 0.40%

Analysis last updated: Wednesday, October 28, 2026 at 10:15 PM UTC

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Date Range:

from

10/28/2024

to

10/28/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Chevron Corp S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 23, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 41 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.9348
11.31***
αARCH0.0672
8.07***
βGARCH0.9161
103.18***
∑γi Spline Coefficients
K=1
γ10.0000
-0.28

0.983

Persistence

41d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9348
11.31***
α

ARCH

Response to squared shocks

0.0672
8.07***
β

GARCH

Volatility persistence

0.9161
103.18***
∑γi Spline Coefficients
K=1
γ10.0000
-0.28

Persistence:

0.983

Half-life:

41 days