V-Lab
CBOE EuroCurrency ETF Volatility Index AGARCH Volatility Analysis
Inactive
Last recorded values (Monday, January 27th, 2025):
1 Day
212.71%
1 Week
205.68%
1 Month
182.49%
Analysis last updated: Monday, March 3, 2025 at 11:56 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 1, 2008 to Jan 24, 2025Model Insight
The news-impact curve is shifted (γ = -1.94) so that positive returns raise next-day volatility more than negative returns of the same size. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and rare among risky assets.
σ
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.0395 | 9.06*** |
α ARCH Response to squared shocks | 0.1074 | 23.84*** |
β GARCH Volatility persistence | 0.8506 | 186.33*** |
γ leverage Additional response to negative shocks | -1.9352 | -7.24*** |
Persistence:
0.958
Half-life:
16 days
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