V-Lab
BetaPro NASDAQ-100 2x Daily Bull ETF GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 29th, 2026
1 Day
30.50%
increased by 2.72%
1 Week
31.18%
increased by 3.40%
1 Month
33.33%
increased by 5.55%
Analysis last updated: Tuesday, September 29, 2026 at 09:09 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 18, 2008 to Sep 25, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
GJR-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1906 | 4.76*** |
| αARCH | 0.0104 | 0.59 |
| βGARCH | 0.8767 | 67.83*** |
| γleverage | 0.1686 | 5.37*** |
0.971
Persistence24d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1906 | 4.76*** |
α ARCH Response to squared shocks | 0.0104 | 0.59 |
β GARCH Volatility persistence | 0.8767 | 67.83*** |
γ leverage Additional response to negative shocks | 0.1686 | 5.37*** |
Persistence:
0.971
Half-life:
24 days
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