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V-Lab

BetaPro NASDAQ-100 2x Daily Bull ETF GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

31.35%

increased by 0.21%

1 Week

31.92%

increased by 0.78%

1 Month

33.90%

increased by 2.76%

Analysis last updated: Tuesday, September 15, 2026 at 09:06 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

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graph of BetaPro NASDAQ-100 2x Daily Bull ETF GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 18, 2008 to Sep 11, 2026

Model 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 = 6.68 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 46-day half-lifev = 6.68 · fat tails
ParamValuet-stat
ωconst8.7827
1.15
αARCH0.1052
6.30***
βGARCH0.9852
70.55***
νDF6.6777
1.43

0.985

Persistence

46d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

8.7827
1.15
α

ARCH

Response to squared shocks

0.1052
6.30***
β

GARCH

Volatility persistence

0.9852
70.55***
ν

DF

Student-t tail thickness

6.6777
1.43

Persistence:

0.985

Half-life:

46 days