Skip to main content
V-Lab

Vinacomin Vang Danh Coal MF2-GARCH Volatility Analysis

Volatility prediction for Friday, July 24th, 2026

1 Day

24.42%

decreased by 0.45%

1 Week

25.85%

increased by 0.98%

1 Month

28.09%

increased by 3.22%

Analysis last updated: Friday, July 24, 2026 at 08:31 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Vinacomin Vang Danh Coal MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 10, 2011 to Jul 17, 2026

Model Insight

This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 53% 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

61
α

ARCH

Response to squared shocks

0.1627
21.45***
β

GARCH

Volatility persistence

0.6224
37.81***
γ

leverage

Additional response to negative shocks

-0.0561
-5.46***
λ₁

tau intercept

Baseline long-term coefficient

1.0318
2.24**
λ₂

forecast adj.

Forecast performance sensitivity

0.8804
11.23***
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.757

Half-life:

2 days