V-Lab
Australian Dollar Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Friday, September 25th, 2026
1 Day
6.14%
increased by 0.62%
1 Week
6.19%
increased by 0.67%
1 Month
6.36%
increased by 0.84%
Analysis last updated: Thursday, September 24, 2026 at 08:12 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 18, 2026Model Insight
With persistence 0.993, volatility shocks have a half-life of 98 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
High persistence: persistence 0.993, shock half-life ~98 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.0583 | 7.31*** |
| αARCH | 0.0352 | 6.36*** |
| βGARCH | 0.9577 | 159.99*** |
Spline Coefficients
K=1
| γ1 | 0.0001 | 0.76 |
0.993
Persistence98d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0583 | 7.31*** |
α ARCH Response to squared shocks | 0.0352 | 6.36*** |
β GARCH Volatility persistence | 0.9577 | 159.99*** |
Spline Coefficients
K=1
| γ1 | 0.0001 | 0.76 |
Persistence:
0.993
Half-life:
98 days
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