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Shanghai Shenzhen CSI 300 Index EGARCH Volatility Analysis

Volatility prediction for Monday, October 12th, 2026

1 Day

17.48%

decreased by 0.74%

1 Week

17.75%

decreased by 0.47%

1 Month

18.78%

increased by 0.56%

Analysis last updated: Friday, October 9, 2026 at 08:30 AM UTC

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Date Range:

from

10/09/2024

to

10/09/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Shanghai Shenzhen CSI 300 Index EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 8, 2005 to Oct 9, 2026

Model Insight

Volatility shocks decay with a half-life of 68 trading days, meaning a shock loses half its impact after approximately 68 days.

σ

EGARCH Model

Tap to view equation

Shock decay: Shocks decay with a 68-day half-life
ParamValuet-stat
ωconst0.0168
4.14***
αARCH0.1455
6.29***
βGARCH0.9899
295.40***
γleverage-0.0038
-0.21

0.990

Persistence

68d

Half-life
σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0168
4.14***
α

ARCH

Response to squared shocks

0.1455
6.29***
β

GARCH

Volatility persistence

0.9899
295.40***
γ

leverage

Additional response to negative shocks

-0.0038
-0.21

Persistence:

0.990

Half-life:

68 days