Powertech Industrial Co Spline ILLIQ Liquidity Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Liquidity prediction for Friday, July 17th, 2026
1 Day
5,939.10
decreased by 829.44
1 Week
6,396.76
decreased by 371.78
1 Month
5,337.88
decreased by 1,430.66
Analysis last updated: Friday, July 17, 2026 at 09:03 PM UTC
News Impact Curve
How returns affect tomorrow's liquidityLiquidity Forecast
How liquidity evolves over timeParameter Estimates
Nov 1, 2004 to Jul 3, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 693147 trading days (~2750.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 44.8323 | |
α ARCH Response to squared shocks | 0.1405 | |
β GARCH Volatility persistence | 0.8595 |
Spline Coefficients
K=1
| γ1 | -0.0145 |
Persistence:
1.000
Half-life:
693147 days
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