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V-Lab

Shanghai Shenzhen CSI 300 Index EGARCH Volatility Analysis

Volatility prediction for Thursday, July 16th, 2026

1 Day

26.16%

decreased by 1.32%

1 Week

26.34%

decreased by 1.14%

1 Month

27.04%

decreased by 0.44%

Analysis last updated: Wednesday, July 15, 2026 at 09:03 AM UTC

Date Range:

from

to

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 Jul 10, 2026

Model Insight

With persistence 0.990, volatility shocks have a half-life of 70 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0168
16.59***
α

ARCH

Response to squared shocks

0.1443
24.77***
β

GARCH

Volatility persistence

0.9902
1,204.60***
γ

leverage

Additional response to negative shocks

-0.0041
-0.88

Persistence:

0.990

Half-life:

70 days