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V-Lab

Sansteel Minguang Co Ltd Fujian GJR-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

30.33%

increased by 1.55%

1 Week

30.86%

increased by 2.08%

1 Month

32.73%

increased by 3.95%

Analysis last updated: Wednesday, August 26, 2026 at 07:51 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sansteel Minguang Co Ltd Fujian GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 26, 2007 to Aug 21, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 75% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1044
12.49***
α

ARCH

Response to squared shocks

0.1015
17.87***
β

GARCH

Volatility persistence

0.9094
344.72***
γ

leverage

Additional response to negative shocks

-0.0436
-5.80***

Persistence:

0.989

Half-life:

63 days