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Defiance Space and Connective Tech ETF GJR-GARCH Volatility Analysis

Volatility prediction for Monday, September 21st, 2026

1 Day

28.01%

decreased by 1.31%

1 Week

27.94%

decreased by 1.38%

1 Month

27.71%

decreased by 1.61%

Analysis last updated: Saturday, September 19, 2026 at 02:21 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Defiance Space and Connective Tech ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 5, 2019 to Sep 18, 2026

Model Insight

Volatility shocks decay with a half-life of 28 trading days, meaning a shock loses half its impact after approximately 28 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 28-day half-life
ParamValuet-stat
ωconst0.0689
2.83***
αARCH0.0478
1.73*
βGARCH0.8882
39.79***
γleverage0.0787
1.59

0.975

Persistence

28d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0689
2.83***
α

ARCH

Response to squared shocks

0.0478
1.73*
β

GARCH

Volatility persistence

0.8882
39.79***
γ

leverage

Additional response to negative shocks

0.0787
1.59

Persistence:

0.975

Half-life:

28 days