Skip to main content
V-Lab
V-Lab

Polytronics Technology Corp Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Friday, September 11th, 2026

1 Day

237.32

increased by 13.82

1 Week

261.47

increased by 37.97

1 Month

630.31

increased by 406.81

Analysis last updated: Friday, September 11, 2026 at 09:41 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Polytronics Technology Corp ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jul 3, 2003 to Sep 4, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 2432 trading days (~9.6 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 ~2432 days
ParamValuet-stat
ωconst0.8586
2.48**
αARCH0.2104
4.35***
βGARCH0.7893
16.71***
γi Spline Coefficients
K=10
γ1-7.5432
-1.47
γ214.3017
1.41
γ3-9.2461
-1.34
γ42.3714
1.30
γ50.1588
0.34
γ6-0.0525
-0.18
γ7-0.2219
-0.79
γ80.6558
2.05**
γ9-0.5885
-1.30
γ10-0.1385
-0.26

1.000

Persistence

2432d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8586
2.48**
α

ARCH

Response to squared shocks

0.2104
4.35***
β

GARCH

Volatility persistence

0.7893
16.71***
γi Spline Coefficients
K=10
γ1-7.5432
-1.47
γ214.3017
1.41
γ3-9.2461
-1.34
γ42.3714
1.30
γ50.1588
0.34
γ6-0.0525
-0.18
γ7-0.2219
-0.79
γ80.6558
2.05**
γ9-0.5885
-1.30
γ10-0.1385
-0.26

Persistence:

1.000

Half-life:

2432 days