Tate & Lyle Plc GJR-GARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
24.11%
decreased by 0.16%
1 Week
26.69%
increased by 2.42%
1 Month
30.46%
increased by 6.19%
Analysis last updated: Tuesday, July 14, 2026 at 06:32 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 3, 2010 to Jul 10, 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
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.6620 | 17.37*** |
α ARCH Response to squared shocks | 0.1783 | 10.29*** |
β GARCH Volatility persistence | 0.6533 | 41.99*** |
γ leverage Additional response to negative shocks | 0.0263 | 1.10 |
Persistence:
0.845
Half-life:
4 days
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