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V-Lab

Xi'An Peri Power Semiconductor Converting Technology Co Ltd Asy. Power MEM Volatility Analysis

Volatility prediction for Tuesday, July 14th, 2026

1 Day

80.60%

increased by 12.40%

1 Week

67.43%

decreased by 0.77%

1 Month

45.22%

decreased by 22.98%

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

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

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

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

May 29, 2020 to Jul 10, 2026

Model Insight

Volatility shocks decay with a half-life of 6 trading days, meaning a shock loses half its impact after approximately 6 days. The volatility power δ = 0.50 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1215
12.25***
α

ARCH

Response to squared shocks

0.3293
33.07***
β

GARCH

Volatility persistence

0.6246
58.18***
γ

leverage

Additional response to negative shocks

-0.0213
-1.44
δ

power

Transformation power

0.5000
8.96***

Persistence:

0.895

Half-life:

6 days