intermediatePremiumTechnical Analysis

On-Balance Volume (OBV)

On-Balance Volume (OBV) is a cumulative running total of volume that adds volume on up-close days and subtracts it on down-close days, turning volume into a single trend line. This article explains how OBV is built, why its direction (not its absolute value) is what matters, how a rising OBV confirms accumulation and a falling OBV distribution, how OBV divergence warns that a price move lacks volume support, and the idea that volume can lead price.

11 min readPublished 26 June 2026

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