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James Halstead plc Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 13th, 2026:24.45% (+0.41%)
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 S0GARCH
paramt-stat
ω0.92543.48
α0.14317.44
β0.628811.20
γ1-0.0013-0.02
γ20.18311.64
γ3-0.3693-5.13
γ40.26484.34
γ5-0.0552-1.16
γ6-0.0460-1.21
γ7-0.0150-0.47
γ80.08753.16
γ9-0.0793-3.10
γ100.04042.14
Estimation Period:
Jan 1, 1990 to Feb 6, 2026
Impact of return on volatility tomorrow
Volatility Forecasts