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V-Lab

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

Volatility prediction for Friday, September 4th, 2026

1 Day

51.37%

increased by 0.06%

1 Week

56.96%

increased by 5.65%

1 Month

64.44%

increased by 13.13%

Analysis last updated: Friday, September 4, 2026 at 06:33 PM UTC

Date Range:

from

to

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 Aug 28, 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

ParameterValuet-statistic
m

window

Rolling window length

26
α

ARCH

Response to squared shocks

0.2052
3.74***
β

GARCH

Volatility persistence

0.5815
7.17***
γ

leverage

Additional response to negative shocks

-0.0380
-0.59
λ₁

tau intercept

Baseline long-term coefficient

5.4861
2.03**
λ₂

forecast adj.

Forecast performance sensitivity

0.5695
2.18**
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.768

Half-life:

3 days