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Apex Biotechnology Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, September 29th, 2026

1 Day

4,178.02

increased by 560.73

1 Week

3,951.30

increased by 334.01

1 Month

2,771.39

decreased by 845.90

Analysis last updated: Friday, September 25, 2026 at 09:55 PM UTC

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graph of Apex Biotechnology Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Sep 10, 2001 to Sep 24, 2026

Model Insight

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 64 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.7222
6.46***
αARCH0.1606
16.81***
βGARCH0.8286
85.50***
∑γi Spline Coefficients
K=1
γ10.0077
4.21***

0.989

Persistence

64d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7222
6.46***
α

ARCH

Response to squared shocks

0.1606
16.81***
β

GARCH

Volatility persistence

0.8286
85.50***
∑γi Spline Coefficients
K=1
γ10.0077
4.21***

Persistence:

0.989

Half-life:

64 days