OBV (On-Balance Volume)

On-Balance Volume — cumulative volume flow.

What is OBV?

On-Balance Volume adds volume on up-days and subtracts on down-days, creating a cumulative total. Rising OBV confirms uptrend strength, falling OBV confirms downtrend strength.

Visual Encoding

  • X-Axis: Time (candle intervals)
  • Y-Axis: OBV value (auto-scaled)
  • Line: Cumulative OBV

Interpretation

  • Rising OBV = buying pressure accumulating
  • Falling OBV = selling pressure increasing
  • OBV divergence from price = potential reversal
  • Data refreshes periodically — not real-time

Trading Signals

  • OBV rising with price = volume confirms the trend
  • OBV flat while price rises = bearish divergence, weak rally
  • OBV breaking out before price = early accumulation

Price Overlay

  • Close Price: Daily closing price (right Y-axis)
  • OBV rising + price flat = accumulation (bullish)
  • OBV falling + price flat = distribution (bearish)
  • OBV confirming price = healthy trend

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