V-Lab
Shanghai Stock Exchange Composite Index MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 14th, 2026
1 Day
15.28%
increased by 1.82%
1 Week
16.02%
increased by 2.56%
1 Month
17.57%
increased by 4.11%
Analysis last updated: Friday, September 11, 2026 at 09:05 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1991 to Sep 11, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 59% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 59% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 61 | |
| αARCH | 0.1064 | 4.77*** |
| βGARCH | 0.7648 | 36.62*** |
| γleverage | 0.0623 | 2.08** |
| λ₁tau intercept | 0.0205 | 1.82* |
| λ₂forecast adj. | 0.0738 | 3.70*** |
| λ₃tau persistence | 0.9204 | 41.66*** |
0.902
Persistence7d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 61 | |
α ARCH Response to squared shocks | 0.1064 | 4.77*** |
β GARCH Volatility persistence | 0.7648 | 36.62*** |
γ leverage Additional response to negative shocks | 0.0623 | 2.08** |
λ₁ tau intercept Baseline long-term coefficient | 0.0205 | 1.82* |
λ₂ forecast adj. Forecast performance sensitivity | 0.0738 | 3.70*** |
λ₃ tau persistence Long-term factor persistence | 0.9204 | 41.66*** |
Persistence:
0.902
Half-life:
7 days
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