US Dollar to Taiwanese Dollar GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 26th, 2026
1 Day
4.51%
decreased by 0.13%
1 Week
4.53%
decreased by 0.11%
1 Month
4.62%
decreased by 0.02%
Analysis last updated: Friday, October 23, 2026 at 08:15 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 30, 1990 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 24-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0028 | 5.28*** |
| αARCH | 0.1348 | 4.78*** |
| βGARCH | 0.8385 | 45.68*** |
| γleverage | -0.0036 | -0.08 |
0.972
Persistence24d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0028 | 5.28*** |
α ARCH Response to squared shocks | 0.1348 | 4.78*** |
β GARCH Volatility persistence | 0.8385 | 45.68*** |
γ leverage Additional response to negative shocks | -0.0036 | -0.08 |
Persistence:
0.972
Half-life:
24 days
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