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V-Lab

Strong H Machinery Technology Cayman Inc MEM Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Friday, August 14th, 2026

1 Day

19.09%

decreased by 1.23%

1 Week

19.42%

decreased by 0.90%

1 Month

20.69%

increased by 0.37%

Analysis last updated: Friday, August 14, 2026 at 08:26 PM UTC

Date Range:

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to

6M ·

1Y ·

2Y ·

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graph of Strong H Machinery Technology Cayman Inc MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 9, 2016 to Aug 7, 2026

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0253
4.83***
α

ARCH

Response to squared shocks

0.1718
19.64***
β

GARCH

Volatility persistence

0.8282
100.42***

Persistence:

1.000

Half-life:

-