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V-Lab

Giant Biogene Holding Co MF2-GARCH Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

52.16%

increased by 6.33%

1 Week

51.32%

increased by 5.49%

1 Month

49.19%

increased by 3.36%

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 MF2-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 351% more than equivalent positive returns.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

51
α

ARCH

Response to squared shocks

0.0119
1.34
β

GARCH

Volatility persistence

0.8821
20.03***
γ

leverage

Additional response to negative shocks

0.0419
5.39***
λ₁

tau intercept

Baseline long-term coefficient

8.1768
0.00
λ₂

forecast adj.

Forecast performance sensitivity

0.0348
0.00
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.915

Half-life:

8 days