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V-Lab

Defiance S&P 500 TRG Inc ETF GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

11.46%

decreased by 0.48%

1 Week

11.72%

decreased by 0.22%

1 Month

12.40%

increased by 0.46%

Analysis last updated: Monday, July 20, 2026 at 09:49 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Defiance S&P 500 TRG Inc ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 7, 2024 to Jul 17, 2026

Model Insight

Volatility shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0461
5.89***
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.8345
45.32***
γ

leverage

Additional response to negative shocks

0.2038
5.61***

Persistence:

0.936

Half-life:

11 days