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Sonda S.A. MF2-GARCH Volatility Analysis

Volatility prediction for Wednesday, October 7th, 2026

1 Day

23.21%

decreased by 0.56%

1 Week

23.82%

increased by 0.05%

1 Month

25.24%

increased by 1.47%

Analysis last updated: Wednesday, October 7, 2026 at 06:13 PM UTC

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Date Range:

from

10/06/2024

to

10/06/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Sonda S.A. MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Nov 9, 2006 to Oct 2, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 337% more than equivalent positive returns.

σ

MF2-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 337% more than positive returns
ParamValuet-stat
mwindow106
αARCH0.0277
2.64***
βGARCH0.8587
39.81***
γleverage0.0933
4.59***
λ₁tau intercept0.7051
1.71*
λ₂forecast adj.0.7479
3.81***
λ₃tau persistence0.0000
0.00

0.933

Persistence

10d

Half-life
σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

106
α

ARCH

Response to squared shocks

0.0277
2.64***
β

GARCH

Volatility persistence

0.8587
39.81***
γ

leverage

Additional response to negative shocks

0.0933
4.59***
λ₁

tau intercept

Baseline long-term coefficient

0.7051
1.71*
λ₂

forecast adj.

Forecast performance sensitivity

0.7479
3.81***
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.933

Half-life:

10 days