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CBOE S&P 500 9-Day Volatility Index Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, March 13th, 2026:225.81% (+12.83%)
Analysis last updated: Friday, March 13, 2026 at 11:34 AM UTC
Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOE S&P 500 9-Day Volatility Index S0GARCH
paramt-stat
ω1.01016.82
α0.12243.66
β0.55456.15
γ10.12971.00
γ2-0.1425-0.74
γ30.04120.27
γ4-0.1251-0.72
γ50.22731.27
γ6-0.3822-2.38
γ70.57164.26
γ8-0.4637-5.08
Estimation Period:
Jan 3, 2011 to Mar 6, 2026
Impact of return on volatility tomorrow
Volatility Forecasts