V-Lab
BetaPro NASDAQ-100 2x Daily Bull ETF AGARCH Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
31.79%
unchanged at 0.00%
1 Week
32.91%
increased by 1.12%
1 Month
36.32%
increased by 4.53%
Analysis last updated: Tuesday, September 15, 2026 at 09:06 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 18, 2008 to Sep 11, 2026Model Insight
The news-impact curve is shifted (γ = 1.34) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.
σ
AGARCH Model
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Asymmetry: negative returns raise volatility more
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0585 | 0.59 |
| αARCH | 0.1224 | 9.49*** |
| βGARCH | 0.8455 | 78.20*** |
| γleverage | 1.3371 | 3.00*** |
0.968
Persistence21d
Half-lifeσ
AGARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0585 | 0.59 |
α ARCH Response to squared shocks | 0.1224 | 9.49*** |
β GARCH Volatility persistence | 0.8455 | 78.20*** |
γ leverage Additional response to negative shocks | 1.3371 | 3.00*** |
Persistence:
0.968
Half-life:
21 days
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