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V-Lab

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

Volatility prediction for Thursday, October 8th, 2026

1 Day

49.32%

decreased by 1.62%

1 Week

51.27%

increased by 0.33%

1 Month

55.96%

increased by 5.02%

Analysis last updated: Thursday, October 1, 2026 at 07:33 PM UTC

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Date Range:

from

09/30/2024

to

09/30/2026

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 Sep 30, 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
αARCH0.2121
3.79***
βGARCH0.5733
7.17***
γleverage-0.0378
-0.57
λ₁tau intercept5.7177
1.96*
λ₂forecast adj.0.5436
2.11**
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

0.2121
3.79***
β

GARCH

Volatility persistence

0.5733
7.17***
γ

leverage

Additional response to negative shocks

-0.0378
-0.57
λ₁

tau intercept

Baseline long-term coefficient

5.7177
1.96*
λ₂

forecast adj.

Forecast performance sensitivity

0.5436
2.11**
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.766

Half-life:

3 days