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African Rainbow Minerals Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

52.72%

decreased by 0.30%

1 Week

52.91%

decreased by 0.11%

1 Month

53.65%

increased by 0.63%

Analysis last updated: Wednesday, October 7, 2026 at 06:38 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of African Rainbow Minerals Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 24, 2006 to Oct 2, 2026

Model Insight

With persistence 0.996, volatility shocks have a half-life of 178 trading days (~0.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

High persistence: persistence 0.996, shock half-life ~178 days
ParamValuet-stat
ωconst0.0832
2.34**
αARCH0.0316
2.83***
βGARCH0.9453
134.06***
γleverage0.0384
1.61

0.996

Persistence

178d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0832
2.34**
α

ARCH

Response to squared shocks

0.0316
2.83***
β

GARCH

Volatility persistence

0.9453
134.06***
γ

leverage

Additional response to negative shocks

0.0384
1.61

Persistence:

0.996

Half-life:

178 days