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BTB Korea Co Ltd Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, September 17th, 2026

1 Day

3,098.47

decreased by 329.32

1 Week

3,738.37

increased by 310.58

1 Month

2,665.16

decreased by 762.63

Analysis last updated: Thursday, September 17, 2026 at 08:02 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of BTB Korea Co Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Apr 5, 2017 to Sep 14, 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 3 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.8354
2.67***
αARCH0.1467
5.19***
βGARCH0.6347
7.60***
γi Spline Coefficients
K=10
γ1-35.3234
-5.63***
γ249.4366
5.67***
γ3-8.5041
-2.29**
γ4-9.6402
-4.83***
γ52.4837
1.57
γ66.7044
4.27***
γ7-7.0009
-4.51***
γ82.7011
1.57
γ9-2.3415
-1.11
γ108.0227
2.71***

0.781

Persistence

3d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8354
2.67***
α

ARCH

Response to squared shocks

0.1467
5.19***
β

GARCH

Volatility persistence

0.6347
7.60***
γi Spline Coefficients
K=10
γ1-35.3234
-5.63***
γ249.4366
5.67***
γ3-8.5041
-2.29**
γ4-9.6402
-4.83***
γ52.4837
1.57
γ66.7044
4.27***
γ7-7.0009
-4.51***
γ82.7011
1.57
γ9-2.3415
-1.11
γ108.0227
2.71***

Persistence:

0.781

Half-life:

3 days