V-Lab
United States Dollar Index EGARCH Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
5.32%
increased by 0.37%
1 Week
5.37%
increased by 0.42%
1 Month
5.57%
increased by 0.62%
Analysis last updated: Friday, September 4, 2026 at 11:28 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Aug 27, 2026Model Insight
With persistence 0.991, volatility shocks have a half-life of 76 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | -0.0106 | -3.81*** |
α ARCH Response to squared shocks | 0.0916 | 10.12*** |
β GARCH Volatility persistence | 0.9909 | 542.95*** |
γ leverage Additional response to negative shocks | -0.0012 | -0.14 |
Persistence:
0.991
Half-life:
76 days
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