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Good Will Instrument Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:37.97% (+4.97%)
Analysis last updated: Sunday, February 8, 2026 at 02:47 AM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Good Will Instrument Co Ltd S0GARCH
paramt-stat
ω2.32368.63
α0.12347.10
β0.757924.69
γ10.06181.05
γ20.00580.06
γ3-0.1802-2.82
γ40.19123.04
γ5-0.0658-0.86
γ6-0.0673-0.78
γ70.15271.98
γ8-0.1596-3.25
Estimation Period:
May 28, 2001 to Feb 6, 2026
Impact of return on volatility tomorrow
Volatility Forecasts