V-Lab
Tate & Lyle Plc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, October 5th, 2026
1 Day
24.79%
decreased by 0.70%
1 Week
27.06%
increased by 1.57%
1 Month
30.51%
increased by 5.02%
Analysis last updated: Saturday, October 3, 2026 at 07:08 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 3, 2010 to Oct 2, 2026Model 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
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.6353 | 4.36*** |
| αARCH | 0.1768 | 2.64*** |
| βGARCH | 0.6600 | 10.97*** |
| γleverage | 0.0276 | 0.30 |
0.851
Persistence4d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6353 | 4.36*** |
α ARCH Response to squared shocks | 0.1768 | 2.64*** |
β GARCH Volatility persistence | 0.6600 | 10.97*** |
γ leverage Additional response to negative shocks | 0.0276 | 0.30 |
Persistence:
0.851
Half-life:
4 days
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