Tongda Group Holdings Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Thursday, October 22nd, 2026
1 Day
464,334.60
increased by 1,763.40
1 Week
512,640.52
increased by 50,069.32
1 Month
1,293,781.08
increased by 831,209.88
Analysis last updated: Thursday, October 22, 2026 at 06:45 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 26, 2000 to Oct 16, 2026Model Insight
With persistence 0.998, illiquidity shocks have a half-life of 299 trading days (~1.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
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High persistence: persistence 0.998, shock half-life ~299 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.9309 | 6.16*** |
| αARCH | 0.2126 | 9.72*** |
| βGARCH | 0.7851 | 38.72*** |
Spline Coefficients
K=6
| γ1 | -1.6866 | -2.38** |
| γ2 | 4.4035 | 2.66*** |
| γ3 | -5.4898 | -2.98*** |
| γ4 | 5.0140 | 3.15*** |
| γ5 | -3.1227 | -3.12*** |
| γ6 | 0.9929 | 2.62*** |
0.998
Persistence299d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.9309 | 6.16*** |
α ARCH Response to squared shocks | 0.2126 | 9.72*** |
β GARCH Volatility persistence | 0.7851 | 38.72*** |
Spline Coefficients
K=6
| γ1 | -1.6866 | -2.38** |
| γ2 | 4.4035 | 2.66*** |
| γ3 | -5.4898 | -2.98*** |
| γ4 | 5.0140 | 3.15*** |
| γ5 | -3.1227 | -3.12*** |
| γ6 | 0.9929 | 2.62*** |
Persistence:
0.998
Half-life:
299 days
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