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V-Lab

Iris Metals Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

126.62%

decreased by 7.82%

1 Week

126.03%

decreased by 8.41%

1 Month

124.25%

decreased by 10.19%

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 GJR-GARCH

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

Volatility shocks decay with a half-life of 16 trading days, meaning a shock loses half its impact after approximately 16 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.4582
4.85***
α

ARCH

Response to squared shocks

0.1126
6.14***
β

GARCH

Volatility persistence

0.8527
65.77***
γ

leverage

Additional response to negative shocks

-0.0176
-0.78

Persistence:

0.957

Half-life:

16 days