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FII Vida Nova GAS-GARCH Student T Volatility Analysis

Volatility prediction for Thursday, October 1st, 2026

1 Day

170.25%

increased by 32.10%

1 Week

183.03%

increased by 44.88%

1 Month

226.36%

increased by 88.21%

Analysis last updated: Thursday, October 1, 2026 at 10:34 PM UTC

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Date Range:

from

09/30/2024

to

09/30/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of FII Vida Nova GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 4, 2015 to Sep 25, 2026

Model Insight

The estimated Student-t degrees of freedom v = 2.09 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.

𝑓

GAS-GARCH-T Model

Tap to view equation

Unreliable tails: v = 2.09 sits at the infinite-variance boundary
ParamValuet-stat
ωconst3,544.9170
1.34
αARCH0.2468
30.69***
βGARCH0.9974
522.74***
νDF2.0862
263.27***

0.997

Persistence

265d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3,544.9170
1.34
α

ARCH

Response to squared shocks

0.2468
30.69***
β

GARCH

Volatility persistence

0.9974
522.74***
ν

DF

Student-t tail thickness

2.0862
263.27***

Persistence:

0.997

Half-life:

265 days