V-Lab
Singapore Dollar GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 9th, 2026
1 Day
2.70%
increased by 0.04%
1 Week
2.73%
increased by 0.07%
1 Month
2.86%
increased by 0.20%
Analysis last updated: Tuesday, September 8, 2026 at 07:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Model Insight
With persistence 0.993, volatility shocks have a half-life of 95 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
GJR-GARCH Model
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High persistence: persistence 0.993, shock half-life ~95 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0006 | 4.79*** |
| αARCH | 0.0564 | 5.70*** |
| βGARCH | 0.9465 | 182.97*** |
| γleverage | -0.0205 | -1.46 |
0.993
Persistence95d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0006 | 4.79*** |
α ARCH Response to squared shocks | 0.0564 | 5.70*** |
β GARCH Volatility persistence | 0.9465 | 182.97*** |
γ leverage Additional response to negative shocks | -0.0205 | -1.46 |
Persistence:
0.993
Half-life:
95 days
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