V-Lab
WisdomTree Bloomberg U.S. Dollar Bullish Fund Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 28th, 2026
1 Day
5.68%
decreased by 0.09%
1 Week
6.07%
increased by 0.30%
1 Month
7.02%
increased by 1.25%
Analysis last updated: Monday, July 27, 2026 at 09:42 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 18, 2013 to Jul 24, 2026Model Insight
This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 11 trading days.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.7249 | 6.27*** |
α ARCH Response to squared shocks | 0.1018 | 4.22*** |
β GARCH Volatility persistence | 0.8347 | 26.55*** |
Spline Coefficients
K=3
| γ1 | -0.0777 | -2.43** |
| γ2 | 0.1192 | 2.44** |
| γ3 | -0.0595 | -2.06** |
Persistence:
0.936
Half-life:
11 days
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