V-Lab
BetaPro NASDAQ-100 2x Daily Bull ETF GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
30.10%
increased by 1.53%
1 Week
30.73%
increased by 2.16%
1 Month
32.90%
increased by 4.33%
Analysis last updated: Saturday, October 3, 2026 at 09:15 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 18, 2008 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 46 trading days, meaning a shock loses half its impact after approximately 46 days. Returns follow a Student-t distribution with v = 6.65 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
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Shock decay: Shocks decay with a 46-day half-lifev = 6.65 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 8.7406 | 1.15 |
| αARCH | 0.1048 | 6.29*** |
| βGARCH | 0.9851 | 70.15*** |
| νDF | 6.6491 | 1.43 |
0.985
Persistence46d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 8.7406 | 1.15 |
α ARCH Response to squared shocks | 0.1048 | 6.29*** |
β GARCH Volatility persistence | 0.9851 | 70.15*** |
ν DF Student-t tail thickness | 6.6491 | 1.43 |
Persistence:
0.985
Half-life:
46 days
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