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SigmaRoc PLC Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Thursday, August 20th, 2026

1 Day

5,762.26

decreased by 141.19

1 Week

5,615.27

decreased by 288.18

1 Month

5,801.77

decreased by 101.68

Analysis last updated: Thursday, August 20, 2026 at 08:29 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of SigmaRoc PLC ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 5, 2007 to Aug 14, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 1763 trading days (~7.0 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: illiquidity responds almost entirely to negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0000
0.00
α

ARCH

Response to squared shocks

0.0020
0.31
β

GARCH

Volatility persistence

0.9751
264.26***
γ

leverage

Additional response to negative shocks

0.0450
3.62***

Persistence:

1.000

Half-life:

1763 days