V-Lab
Viomi Technology Co Ltd Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, September 30th, 2026
1 Day
111,164.60
decreased by 4,175.20
1 Week
112,598.44
decreased by 2,741.36
1 Month
153,864.12
increased by 38,524.32
Analysis last updated: Tuesday, September 29, 2026 at 09:35 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 25, 2018 to Sep 25, 2026Model Insight
With persistence 0.997, illiquidity shocks have a half-life of 258 trading days (~1.0 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 0.997, shock half-life ~258 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.0523 | 5.00*** |
| αARCH | 0.1435 | 10.39*** |
| βGARCH | 0.8538 | 58.83*** |
Spline Coefficients
K=1
| γ1 | 0.0516 | 1.15 |
0.997
Persistence258d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0523 | 5.00*** |
α ARCH Response to squared shocks | 0.1435 | 10.39*** |
β GARCH Volatility persistence | 0.8538 | 58.83*** |
Spline Coefficients
K=1
| γ1 | 0.0516 | 1.15 |
Persistence:
0.997
Half-life:
258 days
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