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V-Lab

Chevron Corp Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, August 3rd, 2026

1 Day

8.46

increased by 0.31

1 Week

8.33

increased by 0.18

1 Month

8.24

increased by 0.09

Analysis last updated: Friday, July 31, 2026 at 10:31 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Chevron Corp ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 31, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 638 trading days (~2.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0337
9.42***
α

ARCH

Response to squared shocks

0.0393
11.25***
β

GARCH

Volatility persistence

0.9596
272.24***
γi Spline Coefficients
K=1
γ1-0.0009
-0.91

Persistence:

0.999

Half-life:

638 days