V-Lab
ZTO Express Cayman Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, September 30th, 2026
1 Day
204.31
decreased by 9.95
1 Week
229.12
increased by 14.86
1 Month
238.76
increased by 24.50
Analysis last updated: Tuesday, September 29, 2026 at 09:57 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 27, 2016 to Sep 25, 2026Model Insight
With persistence 0.991, illiquidity shocks have a half-life of 78 trading days (~0.3 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 0.991, shock half-life ~78 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.2265 | 5.68*** |
| αARCH | 0.0905 | 9.81*** |
| βGARCH | 0.9007 | 92.74*** |
Spline Coefficients
K=1
| γ1 | -0.0214 | -1.76* |
0.991
Persistence78d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2265 | 5.68*** |
α ARCH Response to squared shocks | 0.0905 | 9.81*** |
β GARCH Volatility persistence | 0.9007 | 92.74*** |
Spline Coefficients
K=1
| γ1 | -0.0214 | -1.76* |
Persistence:
0.991
Half-life:
78 days
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