V-Lab
Leverage Shares 2X Long ECHO Daily ETF GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, August 18th, 2026
1 Day
111.83%
decreased by 2.78%
1 Week
113.50%
decreased by 1.11%
1 Month
117.37%
increased by 2.76%
Analysis last updated: Monday, August 17, 2026 at 09:25 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 16, 2025 to Aug 14, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.84* |
α ARCH Response to squared shocks | 0.1364 | 1.35 |
β GARCH Volatility persistence | 0.8474 | 16.90*** |
γ leverage Additional response to negative shocks | -0.1364 | -1.34 |
Persistence:
0.916
Half-life:
8 days
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