Skip to main content
V-Lab

General Motors Co Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, August 10th, 2026

1 Day

28.82

decreased by 0.08

1 Week

28.31

decreased by 0.59

1 Month

27.27

decreased by 1.63

Analysis last updated: Friday, August 7, 2026 at 10:41 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of General Motors Co ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Nov 18, 2010 to Aug 7, 2026

Model Insight

With persistence 0.996, illiquidity shocks have a half-life of 160 trading days (~0.6 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

1.1588
7.55***
α

ARCH

Response to squared shocks

0.0698
10.01***
β

GARCH

Volatility persistence

0.9259
127.57***
γi Spline Coefficients
K=1
γ1-0.0115
-2.40**

Persistence:

0.996

Half-life:

160 days