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V-Lab

CBOE S&P 500 9-Day Volatility Index Asy. Power MEM Volatility Analysis
Volatility Prediction for Wednesday, February 18th, 2026:318.57% (+14.01%)
Analysis last updated: Wednesday, February 18, 2026 at 12:34 PM UTC
Date Range:

from

to

6M ·

1Y ·

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graph of CBOE S&P 500 9-Day Volatility Index APMEM
paramt-stat
ω0.59807.53
α0.139927.71
β0.8308138.44
γ-0.4924-21.14
δ0.975021.13
Estimation Period:
Oct 4, 2013 to Feb 13, 2026
Impact of return on volatility tomorrow
Volatility Forecasts