VVIX
Definition · Level 5 · Greeks & volatility
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Cboe’s index of the implied volatility of VIX options: the volatility of volatility. By the rule of 16, a reading of 100 prices the VIX moving about 6% a day.
Example
VVIX 100, VIX 18: about a point a day.
Rules and market figures change: check the current ones before relying on this (written as of 2026-09).
Where Tradecraft teaches it
Level 5 · Greeks & volatility, in the lesson “VVIX and dispersion”: The volatility of volatility, and the gap between index vol and the vol of its members.
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