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V-Lab
V-Lab

CBOE Energy ETF Volatility Index Zero Slope Spline-GARCH Volatility Analysis

Inactive

Last recorded values (Monday, February 14th, 2022):

1 Day

91.54%

1 Week

91.22%

1 Month

90.74%

Analysis last updated: Wednesday, September 2, 2026 at 03:48 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE Energy ETF Volatility Index S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 16, 2011 to Feb 11, 2022

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 4 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
ωconst1.0148
10.51***
αARCH0.1537
4.77***
βGARCH0.6739
11.52***
γi Spline Coefficients
K=1
γ10.0004
0.24

0.828

Persistence

4d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0148
10.51***
α

ARCH

Response to squared shocks

0.1537
4.77***
β

GARCH

Volatility persistence

0.6739
11.52***
γi Spline Coefficients
K=1
γ10.0004
0.24

Persistence:

0.828

Half-life:

4 days