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V-Lab

SPT Energy Group Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:151.62% (-22.06%)
Analysis last updated: Saturday, February 7, 2026 at 10:13 PM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of SPT Energy Group Inc S0GARCH
paramt-stat
ω0.72044.21
α0.13715.65
β0.698112.88
γ1-0.2355-0.49
γ20.50040.70
γ3-0.8716-1.64
γ41.32072.62
γ5-1.2733-2.66
γ60.97062.26
γ7-0.7037-1.79
γ80.32190.95
γ90.34920.79
γ10-0.6780-1.55
Estimation Period:
Dec 27, 2011 to Feb 6, 2026
Impact of return on volatility tomorrow
Volatility Forecasts