V-Lab
Oesterreichische Post AG Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Friday, September 4th, 2026
1 Day
5,549.01
increased by 497.20
1 Week
5,090.16
increased by 38.35
1 Month
6,003.89
increased by 952.08
Analysis last updated: Friday, September 4, 2026 at 05:55 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
May 31, 2006 to Aug 28, 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 43 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.8663 | 9.22*** |
α ARCH Response to squared shocks | 0.0728 | 10.68*** |
β GARCH Volatility persistence | 0.9111 | 104.15*** |
Spline Coefficients
K=1
| γ1 | 0.0006 | 0.37 |
Persistence:
0.984
Half-life:
43 days
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