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V-Lab

United States Dollar Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, September 25th, 2026

1 Day

5.35%

decreased by 0.06%

1 Week

5.39%

decreased by 0.02%

1 Month

5.53%

increased by 0.12%

Analysis last updated: Friday, September 25, 2026 at 09:04 PM UTC

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Date Range:

from

09/24/2024

to

09/24/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

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 Sep 24, 2026

Model Insight

With persistence 0.994, volatility shocks have a half-life of 119 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 ~119 days
ParamValuet-stat
ωconst0.0015
4.61***
αARCH0.0407
5.85***
βGARCH0.9537
256.17***
γleverage-0.0005
-0.04

0.994

Persistence

119d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0015
4.61***
α

ARCH

Response to squared shocks

0.0407
5.85***
β

GARCH

Volatility persistence

0.9537
256.17***
γ

leverage

Additional response to negative shocks

-0.0005
-0.04

Persistence:

0.994

Half-life:

119 days