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Costain Group PLC Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:31.47% (-1.10%)
Analysis last updated: Sunday, February 8, 2026 at 04:21 AM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Costain Group PLC S0GARCH
paramt-stat
ω0.56927.97
α0.14585.83
β0.669814.18
γ1-0.1927-4.93
γ20.27404.23
γ3-0.1686-3.39
γ40.19034.72
γ5-0.1685-4.17
γ60.04751.05
γ70.12453.35
γ8-0.2084-4.54
γ90.13463.29
Estimation Period:
Jan 1, 1990 to Feb 6, 2026
Impact of return on volatility tomorrow
Volatility Forecasts