T-Rex 2X Long TTD DY TGT ETF GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 26th, 2026
1 Day
133.74%
decreased by 7.21%
1 Week
137.97%
decreased by 2.98%
1 Month
150.64%
increased by 9.69%
Analysis last updated: Friday, October 23, 2026 at 09:46 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 17, 2025 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 19 trading days, meaning a shock loses half its impact after approximately 19 days.
σ
GJR-GARCH Model
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Shock decay: Shocks decay with a 19-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 4.8906 | 1.12 |
| αARCH | 0.2522 | 0.95 |
| βGARCH | 0.8383 | 14.08*** |
| γleverage | -0.2522 | -0.94 |
0.964
Persistence19d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.8906 | 1.12 |
α ARCH Response to squared shocks | 0.2522 | 0.95 |
β GARCH Volatility persistence | 0.8383 | 14.08*** |
γ leverage Additional response to negative shocks | -0.2522 | -0.94 |
Persistence:
0.964
Half-life:
19 days
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