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V-Lab

Sonda S.A. MF2-GARCH Volatility Analysis

Volatility prediction for Monday, August 17th, 2026

1 Day

23.69%

decreased by 0.65%

1 Week

24.37%

increased by 0.03%

1 Month

25.63%

increased by 1.29%

Analysis last updated: Saturday, August 15, 2026 at 06:30 PM UTC

Date Range:

from

to

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 Aug 14, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 348% more than equivalent positive returns.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

106
α

ARCH

Response to squared shocks

0.0269
7.36***
β

GARCH

Volatility persistence

0.8605
157.65***
γ

leverage

Additional response to negative shocks

0.0937
18.59***
λ₁

tau intercept

Baseline long-term coefficient

0.7022
0.19
λ₂

forecast adj.

Forecast performance sensitivity

0.7500
0.20
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.934

Half-life:

10 days