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V-Lab

CBOE S&P 500 9-Day Volatility Index Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, December 29th, 2025:216.92% (-6.09%)
Analysis last updated: Monday, December 29, 2025 at 12:35 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
ω0.98606.43
α0.12143.65
β0.54685.96
γ10.06870.35
γ20.00180.01
γ3-0.1406-0.54
γ40.12950.53
γ5-0.1881-0.86
γ60.31091.47
γ7-0.5272-2.58
γ80.79214.40
γ9-0.6510-5.11
Estimation Period:
Jan 3, 2011 to Dec 26, 2025
Impact of return on volatility tomorrow
Volatility Forecasts