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Mepet Metro Petrol ve Tesisleri Sanayi Ticaret AS Asymmetric 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, October 19th, 2026

1 Day

6,997.59

increased by 1,528.17

1 Week

5,526.34

increased by 56.92

1 Month

5,839.84

increased by 370.42

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-AMEM

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

Estimated persistence of 1.000 is at or above 1 (non-stationary): illiquidity shocks do not decay and the long-run level is undefined, so long-horizon forecasts should be treated with caution.

Asymmetry: Illiquidity rises 135% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000 ≥ 1, shocks do not decayAsymmetry: Illiquidity rises 135% more after negative returns
ParamValuet-stat
ωconst5.0000
0.29
αARCH0.0895
3.59***
βGARCH0.8503
81.90***
γleverage0.1205
2.72***

1.000

Persistence

-

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
0.29
α

ARCH

Response to squared shocks

0.0895
3.59***
β

GARCH

Volatility persistence

0.8503
81.90***
γ

leverage

Additional response to negative shocks

0.1205
2.72***

Persistence:

1.000

Half-life:

-