V-Lab
Tate & Lyle Plc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, August 17th, 2026
1 Day
23.62%
decreased by 0.06%
1 Week
26.32%
increased by 2.64%
1 Month
30.28%
increased by 6.60%
Analysis last updated: Saturday, August 15, 2026 at 08:24 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 3, 2010 to Aug 14, 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 | 0.6478 | 17.42*** |
α ARCH Response to squared shocks | 0.1777 | 10.46*** |
β GARCH Volatility persistence | 0.6567 | 43.00*** |
γ leverage Additional response to negative shocks | 0.0270 | 1.16 |
Persistence:
0.848
Half-life:
4 days
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