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First Capital Holdings Plc 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, September 28th, 2026

1 Day

9,917.83

decreased by 1,152.66

1 Week

11,037.44

decreased by 33.05

1 Month

10,555.34

decreased by 515.15

Analysis last updated: Saturday, September 26, 2026 at 11:01 PM UTC

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graph of First Capital Holdings Plc ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 22, 2010 to Sep 25, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 22359 trading days (~88.7 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 ~22359 days
ParamValuet-stat
ωconst0.8598
0.20
αARCH0.1988
0.04
βGARCH0.8012
0.17
∑γi Spline Coefficients
K=7
γ11.6121
0.81
γ2-5.5878
-2.75***
γ36.8299
0.18
γ4-2.2566
-0.02
γ5-1.8398
-0.01
γ61.4509
0.02
γ70.0862
0.00

1.000

Persistence

22359d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8598
0.20
α

ARCH

Response to squared shocks

0.1988
0.04
β

GARCH

Volatility persistence

0.8012
0.17
∑γi Spline Coefficients
K=7
γ11.6121
0.81
γ2-5.5878
-2.75***
γ36.8299
0.18
γ4-2.2566
-0.02
γ5-1.8398
-0.01
γ61.4509
0.02
γ70.0862
0.00

Persistence:

1.000

Half-life:

22359 days