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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 21, 2026 to Aug 21, 2026Model 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
| Parameter | Value | t-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
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