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V-Lab

Iris Metals Ltd GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

1,554.75%

decreased by 1,231.13%

1 Week

1,553.20%

decreased by 1,232.68%

1 Month

1,547.01%

decreased by 1,238.87%

Analysis last updated: Tuesday, July 14, 2026 at 05:51 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Iris Metals Ltd GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Sep 23, 2021 to Jul 10, 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

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0003
10.41***
α

ARCH

Response to squared shocks

0.2750
638.12***
β

GARCH

Volatility persistence

0.9990
ν

DF

Student-t tail thickness

2.0002

Persistence:

0.999

Half-life:

693 days