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Tate & Lyle Plc GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, September 15th, 2026

1 Day

23.14%

increased by 0.16%

1 Week

25.98%

increased by 3.00%

1 Month

30.15%

increased by 7.17%

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 GJR-GARCH

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.

σ

GJR-GARCH Model

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Shock decay: Shocks decay with a 4-day half-life
ParamValuet-stat
ωconst0.6427
4.36***
αARCH0.1775
2.62***
βGARCH0.6579
10.83***
γleverage0.0272
0.29

0.849

Persistence

4d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.6427
4.36***
α

ARCH

Response to squared shocks

0.1775
2.62***
β

GARCH

Volatility persistence

0.6579
10.83***
γ

leverage

Additional response to negative shocks

0.0272
0.29

Persistence:

0.849

Half-life:

4 days