Chaikin VolatilityCHV
蔡金波动率
Stock TechnicalP2VolatilityApplies to: US stocks
Definition
Uses the rate of change in the high-low spread to measure volatility expansion/contraction.
Formula
(EMA(H−L,10)−its value n periods ago)/its value n periods ago×100
How to read it
A sharp rise = surging volatility (top panic/breakout); a slow decline = settling into calm.
Inputshigh, lowOutputoverlay/volatility
Data source: H, L. Public knowledge, not investment advice.
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Reference metadata — public, well-known indicator definitions. Not investment advice.