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V-Lab
V-Lab

Kaleon SpA Asy. Power MEM Volatility Analysis

Volatility prediction for Tuesday, September 8th, 2026

1 Day

8.26%

increased by 0.57%

1 Week

7.67%

decreased by 0.02%

1 Month

6.71%

decreased by 0.98%

Analysis last updated: Tuesday, September 8, 2026 at 07:57 PM UTC

Date Range:

from

to

6M ·

All

graph of Kaleon SpA APMEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 1, 2025 to Sep 4, 2026

Model Insight

Volatility shocks decay with a half-life of 4 trading days, meaning a shock loses half its impact after approximately 4 days. The volatility power δ = 1.19 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.

μ

APMEM Model

Tap to view equation

Shock decay: Shocks decay with a 4-day half-lifeδ = 1.19 · sub-quadratic power
ParamValuet-stat
ωconst0.0515
1.14
αARCH0.2667
3.62***
βGARCH0.6208
6.16***
γleverage-0.0258
-0.30
δpower1.1900
1.42

0.837

Persistence

4d

Half-life
μ

APMEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0515
1.14
α

ARCH

Response to squared shocks

0.2667
3.62***
β

GARCH

Volatility persistence

0.6208
6.16***
γ

leverage

Additional response to negative shocks

-0.0258
-0.30
δ

power

Transformation power

1.1900
1.42

Persistence:

0.837

Half-life:

4 days