V-Lab
NIO Inc Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Wednesday, September 30th, 2026
1 Day
136.65
increased by 21.85
1 Week
123.75
increased by 8.95
1 Month
130.45
increased by 15.65
Analysis last updated: Tuesday, September 29, 2026 at 09:50 PM UTC
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News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Sep 12, 2018 to Sep 25, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 502 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 ~502 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.9830 | 7.20*** |
| αARCH | 0.1292 | 11.96*** |
| βGARCH | 0.8694 | 82.54*** |
Spline Coefficients
K=1
| γ1 | 0.0126 | 0.30 |
0.999
Persistence502d
Half-lifeμ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9830 | 7.20*** |
α ARCH Response to squared shocks | 0.1292 | 11.96*** |
β GARCH Volatility persistence | 0.8694 | 82.54*** |
Spline Coefficients
K=1
| γ1 | 0.0126 | 0.30 |
Persistence:
0.999
Half-life:
502 days
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