V-Lab
Perpetual Equity Investment Company Limited Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, August 24th, 2026
1 Day
23,236.13
decreased by 2,468.65
1 Week
23,168.01
decreased by 2,536.77
1 Month
27,297.56
increased by 1,592.78
Analysis last updated: Saturday, August 22, 2026 at 06:14 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Dec 18, 2014 to Aug 21, 2026Model Insight
This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 13 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.5489 | 11.31*** |
α ARCH Response to squared shocks | 0.1044 | 6.38*** |
β GARCH Volatility persistence | 0.8423 | 36.08*** |
Spline Coefficients
K=1
| γ1 | -0.0086 | -2.06** |
Persistence:
0.947
Half-life:
13 days
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