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V-Lab
V-Lab

CBOE China ETF Volatility Index Spline-GARCH Volatility Analysis

Inactive

Last recorded values (Monday, February 14th, 2022):

1 Day

123.00%

1 Week

127.62%

1 Month

135.60%

Analysis last updated: Wednesday, September 2, 2026 at 03:47 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE China ETF Volatility Index SGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 16, 2011 to Feb 11, 2022

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 5 trading days.

τ

Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.9802
7.85***
αARCH0.1831
5.20***
βGARCH0.6819
16.21***
γi Spline Coefficients
K=1
γ10.0207
2.90***

0.865

Persistence

5d

Half-life
τ

Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.9802
7.85***
α

ARCH

Response to squared shocks

0.1831
5.20***
β

GARCH

Volatility persistence

0.6819
16.21***
γi Spline Coefficients
K=1
γ10.0207
2.90***

Persistence:

0.865

Half-life:

5 days