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YPF SA 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 Wednesday, September 30th, 2026

1 Day

376.80

increased by 12.36

1 Week

343.65

decreased by 20.79

1 Month

332.48

decreased by 31.96

Analysis last updated: Tuesday, September 29, 2026 at 09:57 PM UTC

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Date Range:

from

09/29/2024

to

09/29/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of YPF SA ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Jun 29, 1993 to Sep 25, 2026

Model Insight

With persistence 1.000, illiquidity shocks have a half-life of 1386294 trading days (~5501.2 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 70% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

High persistence: persistence 1.000, shock half-life ~1386294 daysAsymmetry: Illiquidity rises 70% more after negative returns
ParamValuet-stat
ωconst5.0000
1.10
αARCH0.0731
7.06***
βGARCH0.9013
123.49***
γleverage0.0512
2.87***

1.000

Persistence

1386294d

Half-life
μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
1.10
α

ARCH

Response to squared shocks

0.0731
7.06***
β

GARCH

Volatility persistence

0.9013
123.49***
γ

leverage

Additional response to negative shocks

0.0512
2.87***

Persistence:

1.000

Half-life:

1386294 days