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CBOE S&P 500 9-Day Volatility Index Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, January 16th, 2026:208.49% (-0.53%)
Analysis last updated: Friday, January 16, 2026 at 12:33 PM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE S&P 500 9-Day Volatility Index S0GARCH
paramt-stat
ω1.02226.78
α0.12373.69
β0.56446.47
γ10.13871.04
γ2-0.1543-0.77
γ30.04640.29
γ4-0.1301-0.72
γ50.23281.26
γ6-0.3858-2.32
γ70.55673.96
γ8-0.4364-4.32
Estimation Period:
Jan 3, 2011 to Jan 9, 2026
Impact of return on volatility tomorrow
Volatility Forecasts