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V-Lab

Kaleon SpA EGARCH Volatility Analysis

Volatility prediction for Friday, September 4th, 2026

1 Day

17.62%

decreased by 3.14%

1 Week

16.75%

decreased by 4.01%

1 Month

15.96%

decreased by 4.80%

Analysis last updated: Friday, September 4, 2026 at 06:36 PM UTC

Date Range:

from

to

6M ·

All

graph of Kaleon SpA EGARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 1, 2025 to Aug 28, 2026

Model Insight

Volatility shocks decay with a half-life of 2 trading days, meaning a shock loses half its impact after approximately 2 days.

σ

EGARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

-0.0091
-0.09
α

ARCH

Response to squared shocks

0.2071
1.39
β

GARCH

Volatility persistence

0.7143
2.18**
γ

leverage

Additional response to negative shocks

0.1435
0.91

Persistence:

0.714

Half-life:

2 days