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V-Lab

Kaleon SpA GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, August 25th, 2026

1 Day

16.20%

decreased by 1.02%

1 Week

15.84%

decreased by 1.38%

1 Month

15.55%

decreased by 1.67%

Analysis last updated: Tuesday, August 25, 2026 at 06:30 PM UTC

Date Range:

from

to

6M ·

All

graph of Kaleon SpA GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 1, 2025 to Aug 21, 2026

Model Insight

This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.3189
3.70***
α

ARCH

Response to squared shocks

0.2070
2.45**
β

GARCH

Volatility persistence

0.5490
5.62***
γ

leverage

Additional response to negative shocks

-0.1857
-2.04**

Persistence:

0.663

Half-life:

2 days