V-Lab
CBOE VIX Indicative Ask Index GARCH Volatility Analysis
Volatility prediction for Tuesday, August 11th, 2026
1 Day
107.65%
decreased by 4.13%
1 Week
110.50%
decreased by 1.28%
1 Month
117.18%
increased by 5.40%
Analysis last updated: Tuesday, August 11, 2026 at 11:32 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 18, 2009 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 18.13*** |
α ARCH Response to squared shocks | 0.1284 | 19.79*** |
β GARCH Volatility persistence | 0.7920 | 100.82*** |
Persistence:
0.920
Half-life:
8 days
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