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V-Lab

S&P/TSX Composite Index MF2-GARCH Volatility Analysis

Volatility prediction for Monday, September 14th, 2026

1 Day

14.10%

decreased by 0.88%

1 Week

13.97%

decreased by 1.01%

1 Month

13.60%

decreased by 1.38%

Analysis last updated: Friday, September 11, 2026 at 10:03 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of S&P/TSX Composite Index MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Sep 11, 2026

Model 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
ParamValuet-stat
mwindow41
αARCH0.0146
1.39
βGARCH0.8242
59.25***
γleverage0.1689
9.80***
λ₁tau intercept0.0039
2.10**
λ₂forecast adj.0.0482
3.75***
λ₃tau persistence0.9468
65.11***

0.923

Persistence

9d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

41
α

ARCH

Response to squared shocks

0.0146
1.39
β

GARCH

Volatility persistence

0.8242
59.25***
γ

leverage

Additional response to negative shocks

0.1689
9.80***
λ₁

tau intercept

Baseline long-term coefficient

0.0039
2.10**
λ₂

forecast adj.

Forecast performance sensitivity

0.0482
3.75***
λ₃

tau persistence

Long-term factor persistence

0.9468
65.11***

Persistence:

0.923

Half-life:

9 days