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

Volatility prediction for Tuesday, September 29th, 2026

1 Day

37.35%

increased by 0.03%

1 Week

38.12%

increased by 0.80%

1 Month

40.50%

increased by 3.18%

Analysis last updated: Tuesday, September 29, 2026 at 09:09 AM UTC

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graph of BetaPro NASDAQ-100 2x Daily Bull ETF S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 18, 2008 to Sep 25, 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 20 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst1.4264
7.27***
αARCH0.1164
8.38***
βGARCH0.8501
51.77***
∑γi Spline Coefficients
K=2
γ10.0220
3.97***
γ2-0.0275
-3.93***

0.966

Persistence

20d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.4264
7.27***
α

ARCH

Response to squared shocks

0.1164
8.38***
β

GARCH

Volatility persistence

0.8501
51.77***
∑γi Spline Coefficients
K=2
γ10.0220
3.97***
γ2-0.0275
-3.93***

Persistence:

0.966

Half-life:

20 days