Guangzhou Development Group Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, October 14th, 2026
1 Day
94.36
increased by 18.91
1 Week
89.79
increased by 14.34
1 Month
67.17
decreased by 8.28
Analysis last updated: Wednesday, October 14, 2026 at 07:12 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jul 18, 1997 to Oct 9, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 507 trading days (~2.0 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 0.999, shock half-life ~507 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.6304 | 3.33*** |
| αARCH | 0.2269 | 24.03*** |
| βGARCH | 0.7718 | 80.22*** |
Spline Coefficients
K=2
| γ1 | 0.0309 | 1.14 |
| γ2 | -0.2627 | -1.34 |
0.999
Persistence507d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.6304 | 3.33*** |
α ARCH Response to squared shocks | 0.2269 | 24.03*** |
β GARCH Volatility persistence | 0.7718 | 80.22*** |
Spline Coefficients
K=2
| γ1 | 0.0309 | 1.14 |
| γ2 | -0.2627 | -1.34 |
Persistence:
0.999
Half-life:
507 days
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