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Tenaris SA Asymmetric ILLIQ Liquidity Analysis

Illiquidity prediction for Monday, August 10th, 2026

1 Day

442.53

decreased by 28.24

1 Week

428.84

decreased by 41.93

1 Month

390.60

decreased by 80.17

Analysis last updated: Saturday, August 8, 2026 at 10:44 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Tenaris SA ILLIQ-AMEM

News Impact Curve

How returns affect tomorrow's illiquidity

Illiquidity Forecast

How illiquidity evolves over time

Parameter Estimates

Dec 17, 2002 to Aug 7, 2026

Model Insight

With persistence 0.997, illiquidity shocks have a half-life of 201 trading days (~0.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Asymmetry: Illiquidity rises 252% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7406
8.97***
α

ARCH

Response to squared shocks

0.0303
15.48***
β

GARCH

Volatility persistence

0.9282
589.72***
γ

leverage

Additional response to negative shocks

0.0761
16.25***

Persistence:

0.997

Half-life:

201 days