V-Lab
Defiance 2x Daily Long Pure Drone and Aerial Automation ETF GJR-GARCH Volatility Analysis
Inactive
Last recorded values (Friday, August 28th, 2026):
1 Day
143.43%
1 Week
144.32%
1 Month
146.81%
Analysis last updated: Wednesday, September 2, 2026 at 07:01 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 3, 2026 to Aug 27, 2026Boundary Parameters
Model 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
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Shock decay: Shocks decay with a 12-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 0.47 |
| αARCH | 0.0339 | 0.15 |
| βGARCH | 0.9284 | 11.63*** |
| γleverage | -0.0339 | -0.13 |
0.945
Persistence12d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 0.47 |
α ARCH Response to squared shocks | 0.0339 | 0.15 |
β GARCH Volatility persistence | 0.9284 | 11.63*** |
γ leverage Additional response to negative shocks | -0.0339 | -0.13 |
Persistence:
0.945
Half-life:
12 days
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