V-Lab
MSCI USA MF2-GARCH Volatility Analysis
Volatility prediction for Friday, September 25th, 2026
1 Day
10.84%
decreased by 0.37%
1 Week
11.21%
increased by 0.00%
1 Month
12.29%
increased by 1.08%
Analysis last updated: Friday, September 25, 2026 at 09:01 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 24, 2026Model Insight
This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.
σ
MF2-GARCH Model
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Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| mwindow | 66 | |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.8496 | 68.45*** |
| γleverage | 0.1855 | 11.69*** |
| λ₁tau intercept | 0.0102 | 1.60 |
| λ₂forecast adj. | 0.0608 | 2.04** |
| λ₃tau persistence | 0.9287 | 26.29*** |
0.942
Persistence12d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 66 | |
α ARCH Response to squared shocks | 0.0000 | 0.00 |
β GARCH Volatility persistence | 0.8496 | 68.45*** |
γ leverage Additional response to negative shocks | 0.1855 | 11.69*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0102 | 1.60 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0608 | 2.04** |
λ₃ tau persistence Long-term factor persistence | 0.9287 | 26.29*** |
Persistence:
0.942
Half-life:
12 days
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