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V-Lab

Hangzhou Prevail Optoelectronic Equipment Co., Ltd. MF2-GARCH Volatility Analysis

Volatility prediction for Monday, October 26th, 2026

1 Day

39.59%

decreased by 0.80%

1 Week

45.62%

increased by 5.23%

1 Month

52.29%

increased by 11.90%

Analysis last updated: Sunday, October 25, 2026 at 02:13 AM UTC

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Date Range:

from

10/23/2024

to

10/23/2026

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Hangzhou Prevail Optoelectronic Equipment Co., Ltd. MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 19, 2017 to Oct 23, 2026

Model Insight

Volatility shocks decay with a half-life of 3 trading days, meaning a shock loses half its impact after approximately 3 days.

σ

MF2-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 3-day half-life
ParamValuet-stat
mwindow26
αARCH0.2136
3.80***
βGARCH0.5724
7.18***
γleverage-0.0395
-0.60
λ₁tau intercept5.7230
1.95*
λ₂forecast adj.0.5398
2.09**
λ₃tau persistence0.0000
0.00

0.766

Persistence

3d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

26
α

ARCH

Response to squared shocks

0.2136
3.80***
β

GARCH

Volatility persistence

0.5724
7.18***
γ

leverage

Additional response to negative shocks

-0.0395
-0.60
λ₁

tau intercept

Baseline long-term coefficient

5.7230
1.95*
λ₂

forecast adj.

Forecast performance sensitivity

0.5398
2.09**
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.766

Half-life:

3 days