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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 29, 2020 to Jul 10, 2026Model 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
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| Parameter | Value | t-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
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