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V-Lab

Xi'An Peri Power Semiconductor Converting Technology Co Ltd EGARCH Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

68.36%

increased by 6.42%

1 Week

67.78%

increased by 5.84%

1 Month

66.17%

increased by 4.23%

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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Xi'An Peri Power Semiconductor Converting Technology Co Ltd EGARCH

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 12 trading days, meaning a shock loses half its impact after approximately 12 days.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1535
8.92***
α

ARCH

Response to squared shocks

0.1723
13.48***
β

GARCH

Volatility persistence

0.9443
148.59***
γ

leverage

Additional response to negative shocks

0.0238
1.75*

Persistence:

0.944

Half-life:

12 days