V-Lab
BTB Korea Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, August 7th, 2026
1 Day
1,646.34
increased by 640.22
1 Week
1,285.70
increased by 279.58
1 Month
1,026.01
increased by 19.89
Analysis last updated: Friday, August 7, 2026 at 07:57 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 5, 2017 to Jul 31, 2026Model 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
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0132 | 3.09*** |
α ARCH Response to squared shocks | 0.1597 | 5.54*** |
β GARCH Volatility persistence | 0.6535 | 9.23*** |
Spline Coefficients
K=9
| γ1 | -30.2321 | -5.74*** |
| γ2 | 45.2899 | 5.93*** |
| γ3 | -11.8578 | -3.33*** |
| γ4 | -8.8092 | -4.83*** |
| γ5 | 8.4138 | 6.24*** |
| γ6 | -0.5442 | -0.43 |
| γ7 | -4.0308 | -3.04*** |
| γ8 | 2.3872 | 1.60 |
| γ9 | 0.9313 | 0.34 |
Persistence:
0.813
Half-life:
3 days
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