Skip to main content
V-Lab
V-Lab

Namib Minerals GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, September 22nd, 2026

1 Day

1,025.95%

increased by 111.00%

1 Week

1,024.19%

increased by 109.24%

1 Month

1,017.23%

increased by 102.28%

Analysis last updated: Monday, September 21, 2026 at 09:28 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Namib Minerals GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 29, 2021 to Sep 18, 2026

Model Insight

The estimated Student-t degrees of freedom v = 2.00 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 = 2.00 sits at the infinite-variance boundary
ParamValuet-stat
ωconst139.6632
2.67***
αARCH0.1757
21.85***
βGARCH0.9982
1,599.73***
νDF2.0035
8,984.48***

0.998

Persistence

391d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

139.6632
2.67***
α

ARCH

Response to squared shocks

0.1757
21.85***
β

GARCH

Volatility persistence

0.9982
1,599.73***
ν

DF

Student-t tail thickness

2.0035
8,984.48***

Persistence:

0.998

Half-life:

391 days