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Cellavision AB 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 Monday, July 27th, 2026

1 Day

6,255.18

decreased by 227.07

1 Week

5,964.15

decreased by 518.10

1 Month

5,194.87

decreased by 1,287.38

Analysis last updated: Sunday, July 26, 2026 at 05:06 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Cellavision AB ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

May 28, 2007 to Jul 24, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 115524 trading days (~458.4 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

0.9702
5.40***
α

ARCH

Response to squared shocks

0.0837
1.15
β

GARCH

Volatility persistence

0.9163
12.60***
γi Spline Coefficients
K=1
γ1-0.0052
-0.05

Persistence:

1.000

Half-life:

115524 days