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

Volatility prediction for Friday, October 23rd, 2026

1 Day

13.57%

increased by 1.18%

1 Week

13.58%

increased by 1.19%

1 Month

13.62%

increased by 1.23%

Analysis last updated: Thursday, October 22, 2026 at 09:03 PM UTC

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Date Range:

from

10/22/2024

to

10/22/2026

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 Oct 16, 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
αARCH0.0148
1.40
βGARCH0.8259
60.08***
γleverage0.1675
9.79***
λ₁tau intercept0.0038
2.10**
λ₂forecast adj.0.0466
3.78***
λ₃tau persistence0.9486
68.22***

0.924

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

0.0148
1.40
β

GARCH

Volatility persistence

0.8259
60.08***
γ

leverage

Additional response to negative shocks

0.1675
9.79***
λ₁

tau intercept

Baseline long-term coefficient

0.0038
2.10**
λ₂

forecast adj.

Forecast performance sensitivity

0.0466
3.78***
λ₃

tau persistence

Long-term factor persistence

0.9486
68.22***

Persistence:

0.924

Half-life:

9 days