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James Halstead plc Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 13th, 2026:20.66% (+0.91%)
Analysis last updated: Saturday, February 14, 2026 at 01:05 AM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of James Halstead plc SGARCH
paramt-stat
ω0.91933.76
α0.17446.17
β0.51297.41
γ1-0.0049-0.07
γ20.19271.81
γ3-0.3839-5.50
γ40.28174.77
γ5-0.0689-1.51
γ6-0.0395-1.10
γ7-0.0137-0.45
γ80.07912.91
γ9-0.0563-1.94
γ10-0.0339-0.71
Estimation Period:
Jan 1, 1990 to Feb 6, 2026
Impact of return on volatility tomorrow
Volatility Forecasts