Skip to main content
V-Lab

Amplify HACK Cybersecurity Covered Call ETF GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 28th, 2026

1 Day

27.28%

decreased by 1.62%

1 Week

29.77%

increased by 0.87%

1 Month

31.18%

increased by 2.28%

Analysis last updated: Tuesday, July 28, 2026 at 02:23 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 Jul 24, 2026

Model Insight

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.6523
7.31***
α

ARCH

Response to squared shocks

0.0593
1.47
β

GARCH

Volatility persistence

0.3899
5.95***
γ

leverage

Additional response to negative shocks

0.2703
2.53**

Persistence:

0.584

Half-life:

1 days