Footprint charts, also called order flow charts, break down the volume traded at the bid and the ask for every price level inside a single candle, rather than just showing open, high, low, and close. That level of detail reveals whether buyers or sellers were actually in control during a given period, which a standard candlestick hides entirely.
Spotting institutional absorption
Sometimes a candle shows a large positive delta cluster, meaning a heavy wave of aggressive market buying, but price still fails to break higher and instead prints a long upper wick. That combination suggests passive sellers, often larger players, are absorbing the retail buying pressure rather than letting price run. Traders sometimes treat this trapped-buyer pattern as an early signal that the next candle could reverse lower, since the aggressive buyers who just bought at the top are now sitting on a losing position.
Reading cumulative volume delta over time
A single candle's delta only tells part of the story, which is why traders track cumulative volume delta across a whole session or trend. Rising price alongside rising CVD confirms that the move is backed by genuine aggressive buying, while rising price with flat or falling CVD suggests the move is happening on thinner conviction, perhaps driven more by short covering or passive limit orders than real buying pressure.
Combining order flow with structure
Footprint signals work best on 15 or 30-minute charts checked against daily floor pivot levels, since that combination helps confirm whether a breakout is genuine or likely to fail. Stacked imbalances, meaning three or more consecutive price levels each showing over 300% dominance by buyers or sellers, add further confirmation of momentum. Order flow readings should never be traded in isolation. They work as a confirmation layer on top of established support and resistance, not as a standalone signal.