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Tate & Lyle Plc GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

23.05%

increased by 0.63%

1 Week

25.39%

increased by 2.97%

1 Month

28.91%

increased by 6.49%

Analysis last updated: Wednesday, September 16, 2026 at 06:13 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Tate & Lyle Plc GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Aug 3, 2010 to Sep 10, 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. Returns follow a Student-t distribution with v = 3.93 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

Shock decay: Shocks decay with a 4-day half-lifev = 3.93 · fat tails
ParamValuet-stat
ωconst3.8551
2.48**
αARCH0.1345
2.84***
βGARCH0.8506
14.26***
νDF3.9319
1.44

0.851

Persistence

4d

Half-life
𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

3.8551
2.48**
α

ARCH

Response to squared shocks

0.1345
2.84***
β

GARCH

Volatility persistence

0.8506
14.26***
ν

DF

Student-t tail thickness

3.9319
1.44

Persistence:

0.851

Half-life:

4 days