V-Lab
Taiwan Auto-Design Co Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 22nd, 2026
1 Day
10,490.18
increased by 1,067.54
1 Week
10,741.91
increased by 1,319.27
1 Month
12,255.02
increased by 2,832.38
Analysis last updated: Tuesday, September 22, 2026 at 08:54 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
May 10, 2021 to Sep 18, 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 16 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 15.0018 | 2.90*** |
| αARCH | 0.3850 | 8.02*** |
| βGARCH | 0.5733 | 11.13*** |
Spline Coefficients
K=7
| γ1 | 13.5726 | 1.72* |
| γ2 | -52.9021 | -3.11*** |
| γ3 | 97.1545 | 4.93*** |
| γ4 | -86.4722 | -5.84*** |
| γ5 | 35.1526 | 6.40*** |
| γ6 | -9.6005 | -3.89*** |
| γ7 | 6.9170 | 1.60 |
0.958
Persistence16d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 15.0018 | 2.90*** |
α ARCH Response to squared shocks | 0.3850 | 8.02*** |
β GARCH Volatility persistence | 0.5733 | 11.13*** |
Spline Coefficients
K=7
| γ1 | 13.5726 | 1.72* |
| γ2 | -52.9021 | -3.11*** |
| γ3 | 97.1545 | 4.93*** |
| γ4 | -86.4722 | -5.84*** |
| γ5 | 35.1526 | 6.40*** |
| γ6 | -9.6005 | -3.89*** |
| γ7 | 6.9170 | 1.60 |
Persistence:
0.958
Half-life:
16 days
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