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V-Lab

Giant Biogene Holding Co AGARCH Volatility Analysis

Volatility prediction for Monday, August 17th, 2026

1 Day

47.08%

increased by 0.71%

1 Week

47.59%

increased by 1.22%

1 Month

47.70%

increased by 1.33%

Analysis last updated: Saturday, August 15, 2026 at 07:55 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Giant Biogene Holding Co AGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 4, 2022 to Aug 14, 2026

Model Insight

The news-impact curve is shifted (γ = 2.69) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.

σ

AGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

8.3939
45.17***
α

ARCH

Response to squared shocks

0.0336
4.22***
β

GARCH

Volatility persistence

0.0109
11.00***
γ

leverage

Additional response to negative shocks

2.6923
2.87***

Persistence:

0.044

Half-life:

0 days