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V-Lab

Xi'An Peri Power Semiconductor Converting Technology Co Ltd MF2-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

72.13%

increased by 9.67%

1 Week

71.64%

increased by 9.18%

1 Month

70.53%

increased by 8.07%

Analysis last updated: Tuesday, July 14, 2026 at 06:22 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

5Y ·

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graph of Xi'An Peri Power Semiconductor Converting Technology Co Ltd MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 7, 2020 to Jul 10, 2026

Model Insight

Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

76
α

ARCH

Response to squared shocks

0.0826
9.72***
β

GARCH

Volatility persistence

0.8254
42.14***
γ

leverage

Additional response to negative shocks

-0.0023
-0.22
λ₁

tau intercept

Baseline long-term coefficient

1.6619
0.24
λ₂

forecast adj.

Forecast performance sensitivity

0.2198
0.22
λ₃

tau persistence

Long-term factor persistence

0.6420
0.40

Persistence:

0.907

Half-life:

7 days