V-Lab
iShares MSCI Australia ETF MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 22nd, 2026
1 Day
19.06%
decreased by 1.12%
1 Week
19.02%
decreased by 1.16%
1 Month
19.29%
decreased by 0.89%
Analysis last updated: Monday, September 21, 2026 at 09:40 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 1, 1996 to Sep 18, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
MF2-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.0031 | 0.26 |
| βGARCH | 0.7826 | 30.64*** |
| γleverage | 0.1787 | 6.49*** |
| λ₁tau intercept | 0.0156 | 2.64*** |
| λ₂forecast adj. | 0.0478 | 4.20*** |
| λ₃tau persistence | 0.9452 | 71.59*** |
0.875
Persistence5d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0031 | 0.26 |
β GARCH Volatility persistence | 0.7826 | 30.64*** |
γ leverage Additional response to negative shocks | 0.1787 | 6.49*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0156 | 2.64*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0478 | 4.20*** |
λ₃ tau persistence Long-term factor persistence | 0.9452 | 71.59*** |
Persistence:
0.875
Half-life:
5 days
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