V-Lab
BetaPro NASDAQ-100 2x Daily Bull ETF MEM Volatility Analysis
Volatility prediction for Tuesday, September 15th, 2026
1 Day
29.75%
increased by 5.62%
1 Week
31.10%
increased by 6.97%
1 Month
34.98%
increased by 10.85%
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
Volatility shocks decay with a half-life of 17 trading days, meaning a shock loses half its impact after approximately 17 days.
μ
MEM Model
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Shock decay: Shocks decay with a 17-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.3074 | 2.70*** |
| αARCH | 0.2661 | 8.79*** |
| βGARCH | 0.6948 | 30.98*** |
0.961
Persistence17d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.3074 | 2.70*** |
α ARCH Response to squared shocks | 0.2661 | 8.79*** |
β GARCH Volatility persistence | 0.6948 | 30.98*** |
Persistence:
0.961
Half-life:
17 days
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