Skip to main content
V-Lab
V-Lab

Polytronics Technology Corp Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, October 22nd, 2026

1 Day

556.32

decreased by 128.18

1 Week

639.06

decreased by 45.44

1 Month

373.14

decreased by 311.36

Analysis last updated: Thursday, October 22, 2026 at 08:28 PM UTC

Press Delete or Backspace to remove this series.
Date Range:

from

10/21/2024

to

10/21/2026

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 Oct 16, 2026

Model Insight

With persistence 0.996, illiquidity shocks have a half-life of 176 trading days (~0.7 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 0.996, shock half-life ~176 days
ParamValuet-stat
ωconst1.7747
5.17***
αARCH0.2186
4.34***
βGARCH0.7775
17.10***
∑γi Spline Coefficients
K=7
γ1-3.7402
-1.50
γ28.1291
1.44
γ3-6.2865
-1.38
γ41.9530
1.41
γ5-0.1973
-1.37
γ60.4110
4.16***
γ7-0.6225
-5.14***

0.996

Persistence

176d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7747
5.17***
α

ARCH

Response to squared shocks

0.2186
4.34***
β

GARCH

Volatility persistence

0.7775
17.10***
∑γi Spline Coefficients
K=7
γ1-3.7402
-1.50
γ28.1291
1.44
γ3-6.2865
-1.38
γ41.9530
1.41
γ5-0.1973
-1.37
γ60.4110
4.16***
γ7-0.6225
-5.14***

Persistence:

0.996

Half-life:

176 days