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Mepet Metro Petrol ve Tesisleri Sanayi Ticaret AS Spline ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, October 19th, 2026

1 Day

5,780.09

increased by 1,341.07

1 Week

4,520.59

increased by 81.57

1 Month

5,080.88

increased by 641.86

Analysis last updated: Sunday, October 18, 2026 at 02:53 AM UTC

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Date Range:

from

10/16/2024

to

10/16/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Mepet Metro Petrol ve Tesisleri Sanayi Ticaret AS ILLIQ-SMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Apr 27, 2012 to Oct 16, 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 31 trading days.

μ

ILLIQ-SMEM Model

Tap to view equation

Time-varying baseline: illiquidity reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst3.8284
7.02***
αARCH0.1940
12.72***
βGARCH0.7838
46.08***
∑γi Spline Coefficients
K=1
γ10.0201
4.72***

0.978

Persistence

31d

Half-life
μ

ILLIQ-SMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.8284
7.02***
α

ARCH

Response to squared shocks

0.1940
12.72***
β

GARCH

Volatility persistence

0.7838
46.08***
∑γi Spline Coefficients
K=1
γ10.0201
4.72***

Persistence:

0.978

Half-life:

31 days