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Tohoku Steel Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, September 24th, 2026

1 Day

3,193.58

decreased by 313.30

1 Week

3,350.23

decreased by 156.65

1 Month

3,196.19

decreased by 310.69

Analysis last updated: Saturday, September 19, 2026 at 11:07 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Tohoku Steel Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 20, 1995 to Sep 18, 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 55 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.3267
3.20***
αARCH0.1142
8.96***
βGARCH0.8734
58.76***
∑γi Spline Coefficients
K=7
γ1-0.4576
-3.82***
γ20.7999
4.39***
γ3-0.5014
-3.34***
γ40.0187
0.15
γ50.4747
4.99***
γ6-0.6076
-6.01***
γ70.4495
2.87***

0.988

Persistence

55d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.3267
3.20***
α

ARCH

Response to squared shocks

0.1142
8.96***
β

GARCH

Volatility persistence

0.8734
58.76***
∑γi Spline Coefficients
K=7
γ1-0.4576
-3.82***
γ20.7999
4.39***
γ3-0.5014
-3.34***
γ40.0187
0.15
γ50.4747
4.99***
γ6-0.6076
-6.01***
γ70.4495
2.87***

Persistence:

0.988

Half-life:

55 days