V-Lab
Shanghai Electric Power Co Ltd Asymmetric ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Illiquidity prediction for Thursday, August 27th, 2026
1 Day
25.81
decreased by 4.24
1 Week
26.39
decreased by 3.66
1 Month
28.18
decreased by 1.87
Analysis last updated: Thursday, August 27, 2026 at 06:11 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Oct 29, 2003 to Aug 21, 2026Model Insight
Estimated persistence of 1.000 is at or above 1 (non-stationary): illiquidity shocks do not decay and the long-run level is undefined, so long-horizon forecasts should be treated with caution.
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7659 | 5.82*** |
α ARCH Response to squared shocks | 0.1862 | 6.39*** |
β GARCH Volatility persistence | 0.7982 | 180.10*** |
γ leverage Additional response to negative shocks | 0.0312 | 0.87 |
Persistence:
1.000
Half-life:
-
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