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V-Lab

Sansteel Minguang Co Ltd Fujian MF2-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

35.75%

increased by 0.04%

1 Week

35.37%

decreased by 0.34%

1 Month

36.64%

increased by 0.93%

Analysis last updated: Wednesday, August 5, 2026 at 06:19 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sansteel Minguang Co Ltd Fujian MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 26, 2007 to Jul 31, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 74% 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

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

121
α

ARCH

Response to squared shocks

0.1023
25.35***
β

GARCH

Volatility persistence

0.8784
208.00***
γ

leverage

Additional response to negative shocks

-0.0435
-11.17***
λ₁

tau intercept

Baseline long-term coefficient

1.4794
0.75
λ₂

forecast adj.

Forecast performance sensitivity

0.7917
0.76
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.959

Half-life:

17 days