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Johnson Service Group Plc Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 6th, 2026:24.36% (-0.94%)
Analysis last updated: Friday, February 6, 2026 at 08:27 PM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

All

graph of Johnson Service Group Plc S0GARCH
paramt-stat
ω0.83936.89
α0.16372.94
β0.17760.64
γ1-7.8692-3.12
γ212.82823.01
γ3-5.6551-1.82
γ4-2.3817-0.96
γ56.66253.49
γ6-4.6672-2.73
γ71.26370.55
γ8-2.0161-0.79
γ93.18241.86
Estimation Period:
Aug 10, 2020 to Jan 30, 2026
Impact of return on volatility tomorrow
Volatility Forecasts