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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 21, 2026 to Jul 24, 2026Model 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
| Parameter | Value | t-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
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