Perion Network Ltd 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 Tuesday, July 21st, 2026
1 Day
7,120.48
increased by 1,262.89
1 Week
5,257.42
decreased by 600.17
1 Month
4,906.76
decreased by 950.83
Analysis last updated: Monday, July 20, 2026 at 09:31 PM UTC
News Impact Curve
How returns affect tomorrow's liquidityLiquidity Forecast
How liquidity evolves over timeParameter Estimates
Jan 31, 2006 to Jul 17, 2026Model Insight
With persistence 1.000, illiquidity shocks have a half-life of 99021 trading days (~392.9 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 | 0.6964 | 0.02 |
α ARCH Response to squared shocks | 0.1947 | 0.00 |
β GARCH Volatility persistence | 0.8053 | 0.01 |
Spline Coefficients
K=7
| γ1 | 1.6641 | 0.00 |
| γ2 | -6.0899 | 0.00 |
| γ3 | 7.6005 | 0.01 |
| γ4 | -4.1577 | 0.00 |
| γ5 | 1.1475 | 0.00 |
| γ6 | 0.2109 | 0.00 |
| γ7 | -0.9597 | 0.00 |
Persistence:
1.000
Half-life:
99021 days
Other Perion Network Ltd Analyses
Other Spline ILLIQ Analyses on Equities