Skip to main content
V-Lab

Nestle SA GAS-GARCH Student T Volatility Analysis

Volatility prediction for Monday, August 24th, 2026

1 Day

24.95%

increased by 3.35%

1 Week

27.28%

increased by 5.68%

1 Month

28.22%

increased by 6.62%

Analysis last updated: Saturday, August 22, 2026 at 11:11 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Nestle SA GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 11, 2018 to Aug 21, 2026

Model Insight

Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day. Returns follow a Student-t distribution with v = 3.36 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.2275
7.41***
α

ARCH

Response to squared shocks

0.2178
4.13***
β

GARCH

Volatility persistence

0.4613
7.90***
ν

DF

Student-t tail thickness

3.3557
3.14***

Persistence:

0.461

Half-life:

1 days