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Chevron Corp Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 14th, 2026

1 Day

7.20

decreased by 0.11

1 Week

7.36

increased by 0.05

1 Month

7.87

increased by 0.56

Analysis last updated: Saturday, September 12, 2026 at 12:00 AM 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 Sep 11, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 629 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

High persistence: persistence 0.999, shock half-life ~629 days
ParamValuet-stat
ωconst1.0331
9.35***
αARCH0.0398
11.46***
βGARCH0.9591
273.24***
γi Spline Coefficients
K=1
γ1-0.0011
-1.18

0.999

Persistence

629d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0331
9.35***
α

ARCH

Response to squared shocks

0.0398
11.46***
β

GARCH

Volatility persistence

0.9591
273.24***
γi Spline Coefficients
K=1
γ1-0.0011
-1.18

Persistence:

0.999

Half-life:

629 days