V-Lab
Avon Technologies PLC GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
49.36%
decreased by 0.34%
1 Week
52.36%
increased by 2.66%
1 Month
54.06%
increased by 4.36%
Analysis last updated: Wednesday, August 5, 2026 at 06:31 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 30, 2020 to Jul 31, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 5.0000 | 7.67*** |
α ARCH Response to squared shocks | 0.1240 | 4.53*** |
β GARCH Volatility persistence | 0.4738 | 9.65*** |
γ leverage Additional response to negative shocks | -0.0400 | -0.93 |
Persistence:
0.578
Half-life:
1 days
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