V-Lab
Hoang MAI Stone Joint Stock Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, September 17th, 2026
1 Day
12,279.33
increased by 9,101.64
1 Week
7,728.51
increased by 4,550.82
1 Month
2,674.70
decreased by 502.99
Analysis last updated: Thursday, September 17, 2026 at 08:58 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 13, 2022 to Sep 15, 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 5 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 | 0.5457 | 1.61 |
| αARCH | 0.1812 | 3.56*** |
| βGARCH | 0.6872 | 10.05*** |
Spline Coefficients
K=9
| γ1 | 7.5360 | 0.69 |
| γ2 | -25.4259 | -1.71* |
| γ3 | 39.3294 | 5.14*** |
| γ4 | -46.0508 | -6.53*** |
| γ5 | 42.0007 | 8.90*** |
| γ6 | -25.5297 | -6.72*** |
| γ7 | 18.0647 | 3.42*** |
| γ8 | -10.0909 | -1.56 |
| γ9 | -11.9209 | -1.36 |
0.868
Persistence5d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5457 | 1.61 |
α ARCH Response to squared shocks | 0.1812 | 3.56*** |
β GARCH Volatility persistence | 0.6872 | 10.05*** |
Spline Coefficients
K=9
| γ1 | 7.5360 | 0.69 |
| γ2 | -25.4259 | -1.71* |
| γ3 | 39.3294 | 5.14*** |
| γ4 | -46.0508 | -6.53*** |
| γ5 | 42.0007 | 8.90*** |
| γ6 | -25.5297 | -6.72*** |
| γ7 | 18.0647 | 3.42*** |
| γ8 | -10.0909 | -1.56 |
| γ9 | -11.9209 | -1.36 |
Persistence:
0.868
Half-life:
5 days
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