V-Lab
Singapore Dollar Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 19th, 2026
1 Day
2.57%
decreased by 0.02%
1 Week
2.61%
increased by 0.02%
1 Month
2.75%
increased by 0.16%
Analysis last updated: Tuesday, August 18, 2026 at 07:43 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Aug 14, 2026Model Insight
With persistence 0.992, volatility shocks have a half-life of 87 trading days (~0.3 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
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.9823 | 8.09*** |
α ARCH Response to squared shocks | 0.0481 | 9.67*** |
β GARCH Volatility persistence | 0.9440 | 169.87*** |
Spline Coefficients
K=1
| γ1 | 0.0000 | -0.09 |
Persistence:
0.992
Half-life:
87 days
Other Singapore Dollar Analyses
Other Zero Slope Spline-GARCH Analyses on Currencies