V-Lab
Australian Dollar AGARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
6.00%
decreased by 0.08%
1 Week
6.06%
decreased by 0.02%
1 Month
6.32%
increased by 0.24%
Analysis last updated: Sunday, September 13, 2026 at 01:40 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 11, 2026Model Insight
With persistence 0.991, volatility shocks have a half-life of 73 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Asymmetry: negative returns raise volatility more
σ
AGARCH Model
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High persistence: persistence 0.991, shock half-life ~73 daysAsymmetry: negative returns raise volatility more
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0023 | 3.15*** |
| αARCH | 0.0357 | 7.51*** |
| βGARCH | 0.9549 | 182.09*** |
| γleverage | 0.1442 | 3.11*** |
0.991
Persistence73d
Half-lifeσ
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0023 | 3.15*** |
α ARCH Response to squared shocks | 0.0357 | 7.51*** |
β GARCH Volatility persistence | 0.9549 | 182.09*** |
γ leverage Additional response to negative shocks | 0.1442 | 3.11*** |
Persistence:
0.991
Half-life:
73 days
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