V-Lab
Vinacomin Vang Danh Coal MF2-GARCH Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
24.42%
1 Week
25.85%
1 Month
28.09%
Analysis last updated: Friday, July 24, 2026 at 08:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 10, 2011 to Jul 17, 2026Model 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.
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-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
Other Vinacomin Vang Danh Coal Analyses
Other MF2-GARCH Analyses on International Equities