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V-Lab

Hoang MAI Stone Joint Stock Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, September 17th, 2026

1 Day

12,279.33

increased by 9,101.64

1 Week

7,728.51

increased by 4,550.82

1 Month

2,674.70

decreased by 502.99

Analysis last updated: Thursday, September 17, 2026 at 08:58 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Hoang MAI Stone Joint Stock ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 13, 2022 to Sep 15, 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 5 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.5457
1.61
αARCH0.1812
3.56***
βGARCH0.6872
10.05***
γi Spline Coefficients
K=9
γ17.5360
0.69
γ2-25.4259
-1.71*
γ339.3294
5.14***
γ4-46.0508
-6.53***
γ542.0007
8.90***
γ6-25.5297
-6.72***
γ718.0647
3.42***
γ8-10.0909
-1.56
γ9-11.9209
-1.36

0.868

Persistence

5d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.5457
1.61
α

ARCH

Response to squared shocks

0.1812
3.56***
β

GARCH

Volatility persistence

0.6872
10.05***
γi Spline Coefficients
K=9
γ17.5360
0.69
γ2-25.4259
-1.71*
γ339.3294
5.14***
γ4-46.0508
-6.53***
γ542.0007
8.90***
γ6-25.5297
-6.72***
γ718.0647
3.42***
γ8-10.0909
-1.56
γ9-11.9209
-1.36

Persistence:

0.868

Half-life:

5 days