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V-Lab

Hongxing Coldchain Hunan Co Ltd MEM Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

22.06%

decreased by 1.31%

1 Week

22.32%

decreased by 1.05%

1 Month

22.97%

decreased by 0.40%

Analysis last updated: Tuesday, September 8, 2026 at 08:15 PM UTC

Date Range:

from

to

6M ·

All

graph of Hongxing Coldchain Hunan Co Ltd MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 13, 2026 to Aug 14, 2026

Model Insight

Volatility shocks decay with a half-life of 9 trading days, meaning a shock loses half its impact after approximately 9 days.

μ

MEM Model

Tap to view equation

Shock decay: Shocks decay with a 9-day half-life
ParamValuet-stat
ωconst0.1667
4.77***
αARCH0.3950
8.47***
βGARCH0.5314
21.10***

0.926

Persistence

9d

Half-life
μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1667
4.77***
α

ARCH

Response to squared shocks

0.3950
8.47***
β

GARCH

Volatility persistence

0.5314
21.10***

Persistence:

0.926

Half-life:

9 days