V-Lab
Leverage Shares 2X Long ECHO Daily ETF GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
96.04%
decreased by 2.54%
1 Week
99.98%
increased by 1.40%
1 Month
108.49%
increased by 9.91%
Analysis last updated: Friday, September 4, 2026 at 09:46 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 16, 2025 to Sep 4, 2026Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 7-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 0.53 |
| αARCH | 0.1796 | 0.46 |
| βGARCH | 0.8195 | 4.14*** |
| γleverage | -0.1796 | -0.47 |
0.909
Persistence7d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 0.53 |
α ARCH Response to squared shocks | 0.1796 | 0.46 |
β GARCH Volatility persistence | 0.8195 | 4.14*** |
γ leverage Additional response to negative shocks | -0.1796 | -0.47 |
Persistence:
0.909
Half-life:
7 days
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