V-Lab
US Dollar to Swiss Franc GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 29th, 2026
1 Day
5.66%
decreased by 0.05%
1 Week
5.68%
decreased by 0.03%
1 Month
5.76%
increased by 0.05%
Analysis last updated: Monday, September 28, 2026 at 07:10 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 25, 2026Model Insight
With persistence 0.997, volatility shocks have a half-life of 199 trading days (~0.8 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 0.997, shock half-life ~199 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0009 | 2.26** |
| αARCH | 0.0209 | 4.09*** |
| βGARCH | 0.9726 | 279.90*** |
| γleverage | 0.0060 | 0.53 |
0.997
Persistence199d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0009 | 2.26** |
α ARCH Response to squared shocks | 0.0209 | 4.09*** |
β GARCH Volatility persistence | 0.9726 | 279.90*** |
γ leverage Additional response to negative shocks | 0.0060 | 0.53 |
Persistence:
0.997
Half-life:
199 days
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