V-Lab
Ctac NV MF2-GARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
54.31%
unchanged at 0.00%
1 Week
54.31%
unchanged at 0.00%
1 Month
54.31%
unchanged at 0.00%
Analysis last updated: Tuesday, September 8, 2026 at 08:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 26, 2025 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 31 trading days, meaning a shock loses half its impact after approximately 31 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 31-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 66 | |
| αARCH | 0.0000 | 0.00 |
| βGARCH | 0.9777 | 0.02 |
| γleverage | 0.0000 | 0.00 |
| λ₁tau intercept | 9.9996 | 6.57*** |
| λ₂forecast adj. | 0.0000 | 0.00 |
| λ₃tau persistence | 0.1458 | 0.65 |
0.978
Persistence31d
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 | 0.9777 | 0.02 |
γ leverage Additional response to negative shocks | 0.0000 | 0.00 |
λ₁ tau intercept Baseline long-term coefficient | 9.9996 | 6.57*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.1458 | 0.65 |
Persistence:
0.978
Half-life:
31 days
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