V-Lab
S&P / TSX 60 VIX Index CAD MF2-GARCH Volatility Analysis
Volatility prediction for Friday, September 4th, 2026
1 Day
72.83%
decreased by 4.64%
1 Week
85.05%
increased by 7.58%
1 Month
97.10%
increased by 19.63%
Analysis last updated: Tuesday, September 8, 2026 at 11:42 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 2017 to Sep 3, 2026Boundary Parameters
Model Insight
Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 2-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 126 | |
| αARCH | 0.1895 | 4.59*** |
| βGARCH | 0.4576 | 7.30*** |
| γleverage | 0.1998 | 1.96* |
| λ₁tau intercept | 10.0000 | 3.10*** |
| λ₂forecast adj. | 0.8162 | 7.03*** |
| λ₃tau persistence | 0.0661 | 0.69 |
0.747
Persistence2d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 126 | |
α ARCH Response to squared shocks | 0.1895 | 4.59*** |
β GARCH Volatility persistence | 0.4576 | 7.30*** |
γ leverage Additional response to negative shocks | 0.1998 | 1.96* |
λ₁ tau intercept Baseline long-term coefficient | 10.0000 | 3.10*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.8162 | 7.03*** |
λ₃ tau persistence Long-term factor persistence | 0.0661 | 0.69 |
Persistence:
0.747
Half-life:
2 days
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