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United States Dollar Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, September 4th, 2026

1 Day

5.61%

increased by 0.36%

1 Week

5.65%

increased by 0.40%

1 Month

5.77%

increased by 0.52%

Analysis last updated: Friday, September 4, 2026 at 11:28 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of United States Dollar Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Aug 27, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 118 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

GJR-GARCH Model

Tap to view equation

High persistence: persistence 0.994, shock half-life ~118 days
ParamValuet-stat
ωconst0.0015
4.59***
αARCH0.0408
5.84***
βGARCH0.9536
255.26***
γleverage-0.0006
-0.04

0.994

Persistence

118d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0015
4.59***
α

ARCH

Response to squared shocks

0.0408
5.84***
β

GARCH

Volatility persistence

0.9536
255.26***
γ

leverage

Additional response to negative shocks

-0.0006
-0.04

Persistence:

0.994

Half-life:

118 days