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V-Lab

Sequoia Logistica E Transpor GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 10th, 2026

1 Day

135.75%

increased by 10.61%

1 Week

135.64%

increased by 10.50%

1 Month

135.19%

increased by 10.05%

Analysis last updated: Sunday, August 9, 2026 at 03:11 AM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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graph of Sequoia Logistica E Transpor GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 7, 2020 to Aug 7, 2026
Boundary Parameters

Model Insight

With persistence 0.999, volatility shocks have a half-life of 693 trading days (~2.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 2.72 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

11.8281
12.57***
α

ARCH

Response to squared shocks

0.0396
44.99***
β

GARCH

Volatility persistence

0.9990
612.51***
ν

DF

Student-t tail thickness

2.7206
83.09***

Persistence:

0.999

Half-life:

693 days