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V-Lab

Giant Biogene Holding Co GJR-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

54.13%

increased by 7.32%

1 Week

53.20%

increased by 6.39%

1 Month

50.85%

increased by 4.04%

Analysis last updated: Saturday, August 22, 2026 at 09:01 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Giant Biogene Holding Co GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 4, 2022 to Aug 21, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 118% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.7100
8.64***
α

ARCH

Response to squared shocks

0.0306
3.41***
β

GARCH

Volatility persistence

0.8718
80.64***
γ

leverage

Additional response to negative shocks

0.0362
2.45**

Persistence:

0.920

Half-life:

8 days