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: Saturday, September 3, 2022 at 05:01 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 16, 2011 to Feb 11, 2022Model 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
| Parameter | Value | t-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*** |
Spline Coefficients
K=1
| γ1 | 0.0004 | 0.24 |
Persistence:
0.828
Half-life:
4 days
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