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V-Lab

Sofina SA EGARCH Volatility Analysis

Volatility prediction for Monday, August 17th, 2026

1 Day

21.56%

decreased by 0.27%

1 Week

21.78%

decreased by 0.05%

1 Month

22.66%

increased by 0.83%

Analysis last updated: Saturday, August 15, 2026 at 06:14 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Sofina SA EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Feb 12, 2018 to Aug 14, 2026

Model Insight

The leverage effect is captured by the negative gamma (gamma = -0.0491), confirming that negative shocks increase volatility more than positive shocks of equal magnitude.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0172
2.56**
α

ARCH

Response to squared shocks

0.0425
6.28***
β

GARCH

Volatility persistence

0.9890
333.80***
γ

leverage

Additional response to negative shocks

-0.0491
-6.91***

Persistence:

0.989

Half-life:

63 days