African Rainbow Minerals Ltd MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
51.88%
decreased by 1.12%
1 Week
52.39%
decreased by 0.61%
1 Month
54.17%
increased by 1.17%
Analysis last updated: Tuesday, July 14, 2026 at 06:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 24, 2006 to Jul 10, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 181% more than equivalent positive returns.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 61 | |
α ARCH Response to squared shocks | 0.0305 | 9.24*** |
β GARCH Volatility persistence | 0.9150 | 156.45*** |
γ leverage Additional response to negative shocks | 0.0552 | 9.87*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0143 | 3.38*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0184 | 4.92*** |
λ₃ tau persistence Long-term factor persistence | 0.9809 | 236.70*** |
Persistence:
0.973
Half-life:
25 days
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