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Pembangunan Graha Lestari Indah Tbk PT Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Tuesday, October 20th, 2026

1 Day

5,604.93

increased by 4,670.78

1 Week

1,601.36

increased by 667.21

1 Month

1,024.91

increased by 90.76

Analysis last updated: Tuesday, October 20, 2026 at 09:44 PM UTC

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Date Range:

from

10/19/2024

to

10/19/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Pembangunan Graha Lestari Indah Tbk PT ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jun 27, 2011 to Oct 16, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 1623 trading days (~6.4 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 1.000, shock half-life ~1623 days
ParamValuet-stat
ωconst1.4935
2.17**
αARCH0.1489
5.02***
βGARCH0.8506
27.69***
∑γi Spline Coefficients
K=8
γ11.4447
0.68
γ2-4.0731
-1.59
γ34.4576
5.49***
γ4-2.7242
-4.66***
γ50.0621
0.08
γ63.1881
3.37***
γ7-5.4899
-3.80***
γ86.6487
2.74***

1.000

Persistence

1623d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.4935
2.17**
α

ARCH

Response to squared shocks

0.1489
5.02***
β

GARCH

Volatility persistence

0.8506
27.69***
∑γi Spline Coefficients
K=8
γ11.4447
0.68
γ2-4.0731
-1.59
γ34.4576
5.49***
γ4-2.7242
-4.66***
γ50.0621
0.08
γ63.1881
3.37***
γ7-5.4899
-3.80***
γ86.6487
2.74***

Persistence:

1.000

Half-life:

1623 days