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V-Lab
V-Lab

BetaPro NASDAQ-100 2x Daily Bull ETF Spline-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

34.27%

decreased by 0.11%

1 Week

35.82%

increased by 1.44%

1 Month

40.54%

increased by 6.16%

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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of BetaPro NASDAQ-100 2x Daily Bull ETF SGARCH

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

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 25 trading days.

τ

Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.1765
6.86***
αARCH0.1176
8.67***
βGARCH0.8547
55.43***
γi Spline Coefficients
K=1
γ10.0072
2.38**

0.972

Persistence

25d

Half-life
τ

Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1765
6.86***
α

ARCH

Response to squared shocks

0.1176
8.67***
β

GARCH

Volatility persistence

0.8547
55.43***
γi Spline Coefficients
K=1
γ10.0072
2.38**

Persistence:

0.972

Half-life:

25 days