V-Lab
Idorsia Ltd Asymmetric ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 4th, 2026
1 Day
5,177.78
decreased by 191.02
1 Week
5,475.87
increased by 107.07
1 Month
4,102.33
decreased by 1,266.47
Analysis last updated: Friday, September 4, 2026 at 08:59 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jun 15, 2017 to Aug 28, 2026Model Insight
With persistence 0.999, illiquidity shocks have a half-life of 515 trading days (~2.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: Illiquidity rises 157% more after negative returns
μ
ILLIQ-AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 0.67 |
α ARCH Response to squared shocks | 0.0400 | 3.20*** |
β GARCH Volatility persistence | 0.9273 | 110.37*** |
γ leverage Additional response to negative shocks | 0.0627 | 3.29*** |
Persistence:
0.999
Half-life:
515 days
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