V-Lab
BTB Korea Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, August 28th, 2026
1 Day
986.46
increased by 179.55
1 Week
834.28
increased by 27.37
1 Month
844.95
increased by 38.04
Analysis last updated: Friday, August 28, 2026 at 07:52 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 5, 2017 to Aug 21, 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 | 0.8103 | 2.56** |
α ARCH Response to squared shocks | 0.1531 | 5.31*** |
β GARCH Volatility persistence | 0.6308 | 7.69*** |
Spline Coefficients
K=10
| γ1 | -36.5012 | -5.55*** |
| γ2 | 50.5648 | 5.55*** |
| γ3 | -8.1846 | -2.12** |
| γ4 | -9.3906 | -4.38*** |
| γ5 | 1.1945 | 0.69 |
| γ6 | 7.5604 | 4.41*** |
| γ7 | -6.4063 | -3.85*** |
| γ8 | 1.1962 | 0.67 |
| γ9 | -0.6642 | -0.32 |
| γ10 | 4.5582 | 1.64 |
Persistence:
0.784
Half-life:
3 days
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