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Tenaris SA Asymmetric ILLIQ Liquidity Analysis

Liquidity prediction for Monday, July 20th, 2026

1 Day

356.08

decreased by 2.65

1 Week

386.54

increased by 27.81

1 Month

449.75

increased by 91.02

Analysis last updated: Sunday, July 19, 2026 at 01:20 AM 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 liquidity

Liquidity Forecast

How liquidity evolves over time

Parameter Estimates

Dec 17, 2002 to Jul 17, 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 250% more after negative returns

μ

ILLIQ-AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7418
8.97***
α

ARCH

Response to squared shocks

0.0305
15.52***
β

GARCH

Volatility persistence

0.9280
587.32***
γ

leverage

Additional response to negative shocks

0.0762
16.22***

Persistence:

0.997

Half-life:

201 days