V-Lab
US Dollar to Taiwanese Dollar GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
3.71%
decreased by 0.24%
1 Week
3.79%
decreased by 0.16%
1 Month
4.04%
increased by 0.09%
Analysis last updated: Sunday, July 26, 2026 at 02:56 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 30, 1990 to Jul 24, 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
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0028 | 21.15*** |
α ARCH Response to squared shocks | 0.1359 | 19.10*** |
β GARCH Volatility persistence | 0.8377 | 181.36*** |
γ leverage Additional response to negative shocks | -0.0037 | -0.34 |
Persistence:
0.972
Half-life:
24 days
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