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V-Lab

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

Volatility prediction for Monday, August 24th, 2026

1 Day

9.94%

decreased by 0.22%

1 Week

10.34%

increased by 0.18%

1 Month

11.38%

increased by 1.22%

Analysis last updated: Friday, August 21, 2026 at 09:11 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 Aug 21, 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

ParameterValuet-statistic
m

window

Rolling window length

41
α

ARCH

Response to squared shocks

0.0147
4.88***
β

GARCH

Volatility persistence

0.8244
215.14***
γ

leverage

Additional response to negative shocks

0.1685
38.24***
λ₁

tau intercept

Baseline long-term coefficient

0.0039
6.50***
λ₂

forecast adj.

Forecast performance sensitivity

0.0483
8.45***
λ₃

tau persistence

Long-term factor persistence

0.9467
145.89***

Persistence:

0.923

Half-life:

9 days