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Boeing Co/The Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, October 19th, 2026

1 Day

9.62

decreased by 0.26

1 Week

9.34

decreased by 0.54

1 Month

9.57

decreased by 0.31

Analysis last updated: Friday, October 16, 2026 at 10:55 PM UTC

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Date Range:

from

10/16/2024

to

10/16/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Boeing Co/The ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 2, 1990 to Oct 16, 2026

Model Insight

With persistence 0.999, illiquidity shocks have a half-life of 574 trading days (~2.3 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 ~574 days
ParamValuet-stat
ωconst1.0382
9.77***
αARCH0.0607
15.70***
βGARCH0.9381
238.45***
∑γi Spline Coefficients
K=1
γ1-0.0038
-3.04***

0.999

Persistence

574d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0382
9.77***
α

ARCH

Response to squared shocks

0.0607
15.70***
β

GARCH

Volatility persistence

0.9381
238.45***
∑γi Spline Coefficients
K=1
γ1-0.0038
-3.04***

Persistence:

0.999

Half-life:

574 days