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V-Lab

WisdomTree Bloomberg U.S. Dollar Bullish Fund GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 28th, 2026

1 Day

4.52%

decreased by 0.13%

1 Week

4.61%

decreased by 0.04%

1 Month

4.89%

increased by 0.24%

Analysis last updated: Monday, July 27, 2026 at 09:42 PM UTC

Date Range:

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to

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graph of WisdomTree Bloomberg U.S. Dollar Bullish Fund GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 18, 2013 to Jul 24, 2026

Model Insight

Volatility shocks decay with a half-life of 49 trading days, meaning a shock loses half its impact after approximately 49 days. Returns follow a Student-t distribution with v = 5.63 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1886
5.77***
α

ARCH

Response to squared shocks

0.0469
24.05***
β

GARCH

Volatility persistence

0.9859
367.60***
ν

DF

Student-t tail thickness

5.6338
4.49***

Persistence:

0.986

Half-life:

49 days