S&P / ASX 200 Volatility Index MF2-GARCH Volatility Analysis
Volatility prediction for Friday, November 6th, 2026
1 Day
73.43%
increased by 0.63%
1 Week
79.58%
increased by 6.78%
1 Month
88.40%
increased by 15.60%
Analysis last updated: Friday, November 6, 2026 at 07:32 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 2008 to Nov 5, 2026Model Insight
Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 3-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 106 | |
| αARCH | 0.1595 | 5.39*** |
| βGARCH | 0.6525 | 14.59*** |
| γleverage | 0.0001 | 0.00 |
| λ₁tau intercept | 6.0214 | 0.33 |
| λ₂forecast adj. | 0.1286 | 0.33 |
| λ₃tau persistence | 0.7345 | 0.93 |
0.812
Persistence3d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 106 | |
α ARCH Response to squared shocks | 0.1595 | 5.39*** |
β GARCH Volatility persistence | 0.6525 | 14.59*** |
γ leverage Additional response to negative shocks | 0.0001 | 0.00 |
λ₁ tau intercept Baseline long-term coefficient | 6.0214 | 0.33 |
λ₂ forecast adj. Forecast performance sensitivity | 0.1286 | 0.33 |
λ₃ tau persistence Long-term factor persistence | 0.7345 | 0.93 |
Persistence:
0.812
Half-life:
3 days
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