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V-Lab

Shengfeng Development Ltd Asy. MEM Volatility Analysis

Volatility prediction for Monday, July 20th, 2026

1 Day

106.18%

decreased by 7.68%

1 Week

107.00%

decreased by 6.86%

1 Month

109.44%

decreased by 4.42%

Analysis last updated: Friday, July 17, 2026 at 10:24 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Shengfeng Development Ltd AMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 31, 2023 to Jul 17, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 212% more than equivalent positive returns.

μ

AMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

2.3075
9.56***
α

ARCH

Response to squared shocks

0.0928
8.60***
β

GARCH

Volatility persistence

0.7652
47.26***
γ

leverage

Additional response to negative shocks

0.1969
6.23***

Persistence:

0.956

Half-life:

16 days