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V-Lab
V-Lab

Inner Mongolia Shuangxin Environment-Friendly Material Co Ltd Asy. Power MEM Volatility Analysis

Volatility prediction for Wednesday, September 9th, 2026

1 Day

47.95%

decreased by 7.38%

1 Week

52.80%

decreased by 2.53%

1 Month

63.05%

increased by 7.72%

Analysis last updated: Wednesday, September 9, 2026 at 06:17 PM UTC

Date Range:

from

to

6M ·

All

graph of Inner Mongolia Shuangxin Environment-Friendly Material Co Ltd APMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 30, 2025 to Sep 4, 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. The volatility power δ = 1.55 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

Shock decay: Shocks decay with a 7-day half-lifeδ = 1.55 · sub-quadratic power
ParamValuet-stat
ωconst1.0000
0.38
αARCH0.3907
3.55***
βGARCH0.5669
4.96***
γleverage0.0576
0.53
δpower1.5512
0.76

0.908

Persistence

7d

Half-life
μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.0000
0.38
α

ARCH

Response to squared shocks

0.3907
3.55***
β

GARCH

Volatility persistence

0.5669
4.96***
γ

leverage

Additional response to negative shocks

0.0576
0.53
δ

power

Transformation power

1.5512
0.76

Persistence:

0.908

Half-life:

7 days