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V-Lab

Leonardo SpA MEM Volatility Analysis

Volatility prediction for Wednesday, August 5th, 2026

1 Day

38.16%

decreased by 0.91%

1 Week

38.48%

decreased by 0.59%

1 Month

39.34%

increased by 0.27%

Analysis last updated: Wednesday, August 5, 2026 at 07:17 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Leonardo SpA MEM

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 22, 1992 to Jul 31, 2026

Model Insight

Volatility shocks decay with a half-life of 11 trading days, meaning a shock loses half its impact after approximately 11 days.

μ

MEM Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.4017
5.05***
α

ARCH

Response to squared shocks

0.1749
10.17***
β

GARCH

Volatility persistence

0.7645
66.89***

Persistence:

0.939

Half-life:

11 days