V-Lab
CBOE Realized Volatility Index EGARCH Volatility Analysis
Volatility prediction for Tuesday, August 11th, 2026
1 Day
41.64%
increased by 5.22%
1 Week
41.19%
increased by 4.77%
1 Month
40.87%
increased by 4.45%
Analysis last updated: Tuesday, August 11, 2026 at 11:30 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 1, 2012 to Aug 7, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6945 | 9.54*** |
α ARCH Response to squared shocks | 0.3148 | 11.54*** |
β GARCH Volatility persistence | 0.6317 | 17.68*** |
γ leverage Additional response to negative shocks | -0.2731 | -11.99*** |
Persistence:
0.632
Half-life:
2 days
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