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V-Lab

Shengfeng Development Ltd GJR-GARCH Volatility Analysis

Volatility prediction for Friday, October 23rd, 2026

1 Day

102.12%

increased by 3.74%

1 Week

105.58%

increased by 7.20%

1 Month

113.45%

increased by 15.07%

Analysis last updated: Thursday, October 22, 2026 at 09:28 PM UTC

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Date Range:

from

10/22/2024

to

10/22/2026

6M ·

1Y ·

2Y ·

All

graph of Shengfeng Development Ltd GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Mar 31, 2023 to Oct 19, 2026

Model Insight

Volatility shocks decay with a half-life of 8 trading days, meaning a shock loses half its impact after approximately 8 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 8-day half-life
ParamValuet-stat
ωconst5.0000
1.19
αARCH0.1220
0.94
βGARCH0.7816
8.91***
γleverage0.0260
0.09

0.917

Persistence

8d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

5.0000
1.19
α

ARCH

Response to squared shocks

0.1220
0.94
β

GARCH

Volatility persistence

0.7816
8.91***
γ

leverage

Additional response to negative shocks

0.0260
0.09

Persistence:

0.917

Half-life:

8 days