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General Motors Co ILLIQ-MFMEM Liquidity Analysis

Illiquidity prediction for Tuesday, October 13th, 2026

1 Day

29.26

decreased by 1.52

1 Week

31.63

increased by 0.85

1 Month

30.75

decreased by 0.03

Analysis last updated: Monday, October 12, 2026 at 09:48 PM UTC

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Date Range:

from

10/12/2024

to

10/12/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of General Motors Co ILLIQ-MFMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Nov 18, 2010 to Oct 9, 2026

Model Insight

Illiquidity shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days. This multi-frequency model splits illiquidity into a fast short-run component and a slow-moving long-run level that drifts over the sample rather than a constant baseline.

μ

ILLIQ-MFMEM Model

Tap to view equation

Shock decay: Shocks decay with a 7-day half-life
ParamValuet-stat
mwindow51
αARCH0.0625
6.89***
βGARCH0.8786
46.69***
γleverage-0.0625
-6.99***
λ₁tau intercept1.2208
2.71***
λ₂forecast adj.0.4262
13.83***
λ₃tau persistence0.5136
12.70***

0.910

Persistence

7d

Half-life
μ

ILLIQ-MFMEM Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

51
α

ARCH

Response to squared shocks

0.0625
6.89***
β

GARCH

Volatility persistence

0.8786
46.69***
γ

leverage

Additional response to negative shocks

-0.0625
-6.99***
λ₁

tau intercept

Baseline long-term coefficient

1.2208
2.71***
λ₂

forecast adj.

Forecast performance sensitivity

0.4262
13.83***
λ₃

tau persistence

Long-term factor persistence

0.5136
12.70***

Persistence:

0.910

Half-life:

7 days