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V-Lab

East Money Information Co Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

34.90%

decreased by 0.49%

1 Week

35.87%

increased by 0.48%

1 Month

38.94%

increased by 3.55%

Analysis last updated: Tuesday, August 25, 2026 at 06:23 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of East Money Information Co Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 19, 2010 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 24 trading days, meaning a shock loses half its impact after approximately 24 days.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.2769
11.99***
α

ARCH

Response to squared shocks

0.0624
12.31***
β

GARCH

Volatility persistence

0.9168
246.31***
γ

leverage

Additional response to negative shocks

-0.0148
-1.75*

Persistence:

0.972

Half-life:

24 days