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Svenska Cellulosa AB SCA 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 Tuesday, September 22nd, 2026

1 Day

6,489.45

increased by 390.15

1 Week

6,287.36

increased by 188.06

1 Month

7,564.52

increased by 1,465.22

Analysis last updated: Tuesday, September 22, 2026 at 08:31 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Svenska Cellulosa AB SCA ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 1, 1990 to Sep 18, 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

High persistence: persistence 1.000, shock half-life ~115524 days
ParamValuet-stat
ωconst1.1480
0.19
αARCH0.0703
0.03
βGARCH0.9297
0.36
γi Spline Coefficients
K=3
γ1-0.0688
-0.04
γ20.0782
0.04
γ3-0.0063
-0.02

1.000

Persistence

115524d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1480
0.19
α

ARCH

Response to squared shocks

0.0703
0.03
β

GARCH

Volatility persistence

0.9297
0.36
γi Spline Coefficients
K=3
γ1-0.0688
-0.04
γ20.0782
0.04
γ3-0.0063
-0.02

Persistence:

1.000

Half-life:

115524 days