V-Lab
CBOE China ETF Volatility Index GARCH Volatility Analysis
Inactive
Last recorded values (Monday, February 14th, 2022):
1 Day
95.32%
1 Week
95.17%
1 Month
94.74%
Analysis last updated: Wednesday, September 2, 2026 at 03:47 PM 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
Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 days.
σ
GARCH Model
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Shock decay: Shocks decay with a 12-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 1.9649 | 3.10*** |
| αARCH | 0.1332 | 3.84*** |
| βGARCH | 0.8106 | 17.24*** |
0.944
Persistence12d
Half-lifeσ
GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.9649 | 3.10*** |
α ARCH Response to squared shocks | 0.1332 | 3.84*** |
β GARCH Volatility persistence | 0.8106 | 17.24*** |
Persistence:
0.944
Half-life:
12 days
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