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Sandi Properties Co Ltd Spline ILLIQ Liquidity Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Illiquidity prediction for Friday, September 18th, 2026

1 Day

8,310.19

increased by 642.09

1 Week

7,644.82

decreased by 23.28

1 Month

6,940.35

decreased by 727.75

Analysis last updated: Friday, September 18, 2026 at 08:58 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sandi Properties Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

May 23, 1994 to Sep 14, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 69314 trading days (~275.1 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 ~69314 days
ParamValuet-stat
ωconst0.8775
0.10
αARCH0.1685
0.00
βGARCH0.8315
0.01
γi Spline Coefficients
K=10
γ1-0.1185
0.00
γ20.8699
0.00
γ3-1.3375
-0.13
γ40.4986
0.02
γ5-0.2060
-0.02
γ60.9488
0.18
γ7-1.2411
-0.21
γ80.7790
0.08
γ9-0.2963
-0.02
γ100.6356
0.01

1.000

Persistence

69314d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8775
0.10
α

ARCH

Response to squared shocks

0.1685
0.00
β

GARCH

Volatility persistence

0.8315
0.01
γi Spline Coefficients
K=10
γ1-0.1185
0.00
γ20.8699
0.00
γ3-1.3375
-0.13
γ40.4986
0.02
γ5-0.2060
-0.02
γ60.9488
0.18
γ7-1.2411
-0.21
γ80.7790
0.08
γ9-0.2963
-0.02
γ100.6356
0.01

Persistence:

1.000

Half-life:

69314 days