V-Lab
Defiance Daily Target 2X Short HOOD ETF GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 12th, 2026
1 Day
129.29%
decreased by 1.83%
1 Week
131.40%
increased by 0.28%
1 Month
137.09%
increased by 5.97%
Analysis last updated: Tuesday, August 11, 2026 at 10:08 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 13, 2025 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.37 |
α ARCH Response to squared shocks | 0.0683 | 1.36 |
β GARCH Volatility persistence | 0.8989 | 18.46*** |
γ leverage Additional response to negative shocks | -0.0503 | -0.86 |
Persistence:
0.942
Half-life:
12 days
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