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Servair Abidjan Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, September 21st, 2026

1 Day

1,366.35

increased by 43.72

1 Week

1,382.76

increased by 60.13

1 Month

1,692.16

increased by 369.53

Analysis last updated: Saturday, September 19, 2026 at 10:19 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Servair Abidjan ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jan 31, 2012 to Sep 18, 2026

Model Insight

This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 38 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.8453
3.38***
αARCH0.0229
2.67***
βGARCH0.9590
45.56***
γi Spline Coefficients
K=9
γ1-0.5555
-0.85
γ20.6391
0.66
γ31.2257
2.09**
γ4-2.5539
-4.41***
γ51.5860
2.30**
γ6-0.2269
-0.21
γ7-1.0705
-0.69
γ81.5333
1.08
γ9-1.3465
-1.03

0.982

Persistence

38d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8453
3.38***
α

ARCH

Response to squared shocks

0.0229
2.67***
β

GARCH

Volatility persistence

0.9590
45.56***
γi Spline Coefficients
K=9
γ1-0.5555
-0.85
γ20.6391
0.66
γ31.2257
2.09**
γ4-2.5539
-4.41***
γ51.5860
2.30**
γ6-0.2269
-0.21
γ7-1.0705
-0.69
γ81.5333
1.08
γ9-1.3465
-1.03

Persistence:

0.982

Half-life:

38 days