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V-Lab

Amplify HACK Cybersecurity Covered Call ETF GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

31.00%

decreased by 4.27%

1 Week

31.27%

decreased by 4.00%

1 Month

31.42%

decreased by 3.85%

Analysis last updated: Saturday, August 22, 2026 at 02:27 AM UTC

Date Range:

from

to

6M ·

All

graph of Amplify HACK Cybersecurity Covered Call ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 21, 2026 to Aug 21, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 262% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.7527
6.89***
α

ARCH

Response to squared shocks

0.0755
1.89*
β

GARCH

Volatility persistence

0.3798
5.08***
γ

leverage

Additional response to negative shocks

0.1976
1.96**

Persistence:

0.554

Half-life:

1 days