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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

Illiquidity prediction for Friday, August 14th, 2026

1 Day

4,063.80

increased by 692.11

1 Week

3,937.30

increased by 565.61

1 Month

5,064.44

increased by 1,692.75

Analysis last updated: Thursday, August 13, 2026 at 09:40 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Perion Network Ltd ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 31, 2006 to Aug 7, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 53319 trading days (~211.6 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8034
0.32
α

ARCH

Response to squared shocks

0.1936
0.01
β

GARCH

Volatility persistence

0.8064
0.05
γi Spline Coefficients
K=7
γ12.0936
0.01
γ2-6.7247
-0.03
γ38.0203
0.07
γ4-4.3877
-0.02
γ51.0836
0.00
γ60.3236
0.00
γ7-1.0849
-0.03

Persistence:

1.000

Half-life:

53319 days