OBV

    On-Balance Volume

    Technical Analysis

    A cumulative total of volume based on whether price closed up or down. Measures buying and selling pressure.

    Formula

    OBV = Previous OBV + Current Volume (if close > prev close) or - Volume (if close < prev close)

    Why it matters

    Rising OBV with rising price confirms uptrend. Divergence between price and OBV can signal trend reversal.

    Indian example

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