V-Lab
S&P/TSX Composite Index MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, September 10th, 2026
1 Day
13.64%
decreased by 0.16%
1 Week
13.55%
decreased by 0.25%
1 Month
13.36%
decreased by 0.44%
Analysis last updated: Wednesday, September 9, 2026 at 09:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 4, 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
Tap to view equation
Leverage: volatility responds almost entirely to negative shocks
| Param | Value | t-stat |
|---|---|---|
| mwindow | 41 | |
| αARCH | 0.0146 | 1.38 |
| βGARCH | 0.8241 | 59.18*** |
| γleverage | 0.1690 | 9.80*** |
| λ₁tau intercept | 0.0040 | 2.11** |
| λ₂forecast adj. | 0.0483 | 3.75*** |
| λ₃tau persistence | 0.9466 | 64.83*** |
0.923
Persistence9d
Half-lifeσ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 41 | |
α ARCH Response to squared shocks | 0.0146 | 1.38 |
β GARCH Volatility persistence | 0.8241 | 59.18*** |
γ leverage Additional response to negative shocks | 0.1690 | 9.80*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0040 | 2.11** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0483 | 3.75*** |
λ₃ tau persistence Long-term factor persistence | 0.9466 | 64.83*** |
Persistence:
0.923
Half-life:
9 days
Other S&P/TSX Composite Index Analyses
Other MF2-GARCH Analyses on Equity Indices