V-Lab
WisdomTree Bloomberg U.S. Dollar Bullish Fund GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
5.05%
increased by 0.19%
1 Week
5.11%
increased by 0.25%
1 Month
5.33%
increased by 0.47%
Analysis last updated: Friday, August 7, 2026 at 10:45 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 18, 2013 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 46 trading days, meaning a shock loses half its impact after approximately 46 days. Returns follow a Student-t distribution with v = 6.34 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1841 | 7.65*** |
α ARCH Response to squared shocks | 0.0497 | 25.00*** |
β GARCH Volatility persistence | 0.9849 | 450.15*** |
ν DF Student-t tail thickness | 6.3370 | 4.43*** |
Persistence:
0.985
Half-life:
46 days
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