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Portmeirion Group PLC Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 11th, 2026:35.17% (+3.32%)
Analysis last updated: Thursday, February 12, 2026 at 12:36 AM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Portmeirion Group PLC S0GARCH
paramt-stat
ω0.85492.64
α0.14914.92
β0.671911.08
γ1-0.9564-1.85
γ21.25661.66
γ3-0.3318-0.81
γ40.38921.41
γ5-0.6783-2.17
γ60.63581.70
γ7-0.6224-1.70
γ80.42701.05
γ9-0.2632-0.63
γ100.23010.73
Estimation Period:
Jan 3, 2007 to Feb 6, 2026
Impact of return on volatility tomorrow
Volatility Forecasts