V-Lab
Semilux International Ltd -Redh Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Tuesday, September 22nd, 2026
1 Day
219,830,900,000,000.00
decreased by 1,172,300,000,000.00
1 Week
144,494,458,000,000.00
decreased by 76,508,742,000,000.00
1 Month
83,496,640,000,000.00
decreased by 137,506,560,000,000.00
Analysis last updated: Tuesday, September 22, 2026 at 01:44 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Apr 28, 2022 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 2 trading days.
μ
ILLIQ-SMEM Model
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Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0003 | 1.75* |
| αARCH | 0.4461 | 4.80*** |
| βGARCH | 0.2217 | 2.65*** |
Spline Coefficients
K=10
| γ1 | -47.4335 | -4.16*** |
| γ2 | 67.2018 | 4.38*** |
| γ3 | -23.4367 | -2.44** |
| γ4 | 12.5624 | 1.20 |
| γ5 | -14.9154 | -1.57 |
| γ6 | 4.1575 | 0.57 |
| γ7 | -2.1795 | -0.32 |
| γ8 | 9.3481 | 1.33 |
| γ9 | -21.2235 | -2.90*** |
| γ10 | 151.7203 | 24.81*** |
0.668
Persistence2d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0003 | 1.75* |
α ARCH Response to squared shocks | 0.4461 | 4.80*** |
β GARCH Volatility persistence | 0.2217 | 2.65*** |
Spline Coefficients
K=10
| γ1 | -47.4335 | -4.16*** |
| γ2 | 67.2018 | 4.38*** |
| γ3 | -23.4367 | -2.44** |
| γ4 | 12.5624 | 1.20 |
| γ5 | -14.9154 | -1.57 |
| γ6 | 4.1575 | 0.57 |
| γ7 | -2.1795 | -0.32 |
| γ8 | 9.3481 | 1.33 |
| γ9 | -21.2235 | -2.90*** |
| γ10 | 151.7203 | 24.81*** |
Persistence:
0.668
Half-life:
2 days
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