CBOE Energy ETF Volatility Index MEM Volatility Analysis
Inactive
Last recorded values (Monday, February 14th, 2022):
1 Day
99.52%
1 Week
102.37%
1 Month
108.48%
Analysis last updated: Wednesday, September 2, 2026 at 04:24 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 16, 2011 to Feb 11, 2022Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.
μ
MEM Model
Tap to view equation
Shock decay: Shocks decay with a 7-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 5.0000 | 1.89* |
| αARCH | 0.2055 | 3.13*** |
| βGARCH | 0.6993 | 16.57*** |
0.905
Persistence7d
Half-lifeμ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 1.89* |
α ARCH Response to squared shocks | 0.2055 | 3.13*** |
β GARCH Volatility persistence | 0.6993 | 16.57*** |
Persistence:
0.905
Half-life:
7 days
Other CBOE Energy ETF Volatility Index Analyses
Other MEM Analyses on Volatility Indices