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V-Lab

Sequoia Logistica E Transpor AGARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

157.28%

decreased by 19.55%

1 Week

154.79%

decreased by 22.04%

1 Month

146.75%

decreased by 30.08%

Analysis last updated: Tuesday, July 21, 2026 at 08:20 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Sequoia Logistica E Transpor AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 7, 2020 to Jul 17, 2026

Model Insight

The news-impact curve is shifted (γ = 1.11) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.

σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.9708
11.26***
α

ARCH

Response to squared shocks

0.1861
15.00***
β

GARCH

Volatility persistence

0.7751
61.16***
γ

leverage

Additional response to negative shocks

1.1127
5.54***

Persistence:

0.961

Half-life:

18 days