What Is a Footprint Chart?

A standard candlestick chart shows you four numbers: open, high, low, close. That is the summary. A footprint chartDefinitionA chart showing bid and ask volume at every price inside each candle. Reveals who is buying and selling. shows you everything that happened inside that candle — every contract that traded, at every price level, and whether it was an aggressive buyer hitting the ask or an aggressive seller hitting the bid.

New to these terms? POCDefinitionPoint of Control — the price with the highest volume. Where the most trading happened., Delta, ImbalanceDefinitionA price level where one side overwhelms the other by 3:1 or more. Shows where big players committed., Cumulative DeltaDefinitionRunning total of buying vs selling across the session. Shows who has been in control overall., and Volume ProfileDefinitionA histogram showing total volume at each price level. The widest bar is the POC. Shows where the heaviest trading occurred. are all explained in the glossary — tap any blue term in this guide to jump to its definition.

Think of it this way: a candlestick tells you the final score. A footprint chartDefinitionA chart showing bid and ask volume at every price inside each candle. Reveals who is buying and selling. shows you the entire play-by-play.

This is what makes the footprint chartDefinitionA chart showing bid and ask volume at every price inside each candle. Reveals who is buying and selling. unique. A standard candlestick chart shows you the result — price went up or down. The footprint shows you the cause — where aggressive participants overwhelmed the other side, and where the market was balanced with no conviction.

At every price level inside a candle, the footprint tells you whether that level was balanced or imbalanced. A row showing 150 x 148 is balanced — neither side has an edge, and price will not move because of that level. A row showing 42 x 189 is imbalanced — buyers are 4.5 times more aggressive than sellers at that price. That is the force that pushes price.

More importantly, the footprint shows you where large participants are entering the market. When you see a cluster of heavy volume at a specific price — especially with imbalancesDefinitionA price level where one side overwhelms the other by 3:1 or more. Shows where big players committed. — that is an institutional player committing size. These participants have the capital to push the market from balance into imbalance, creating the trends that everyone else is trying to trade.

This is why professional traders watch the footprint at key levels. They are not just looking for existing imbalancesDefinitionA price level where one side overwhelms the other by 3:1 or more. Shows where big players committed. — they are watching for the buildup of large passive orders that signal a big participant is accumulating. When that participant flips from passive (limit orders) to aggressive (market orders), the imbalance explodes and price moves fast.

Here is a real 1-minute MNQ (Micro Nasdaq) footprint chartDefinitionA chart showing bid and ask volume at every price inside each candle. Reveals who is buying and selling.. Each bar shows the bid x askDefinitionThe two columns in a footprint bar. Left = sellers (bid volume). Right = buyers (ask volume). volume at every price. The red zones are where sellers overwhelmed buyers. The green zones are where buyers overwhelmed sellers.

NinjaTrader Chart

Notice the red zones at the top. Sellers showed up with heavy size. Price dropped. Then price came back to test that same area — and sellers showed up again. That told you the move lower was real.

The bottom panel makes it simple: red deltaDefinitionAsk volume minus bid volume. Positive = more buying. Negative = more selling. Shows who is more aggressive. means sellers won that bar. Green delta means buyers won. You can see the shift happen in real-time.

Before we dig into the details, here are the core terms you will encounter. Each one is explained in depth later, but knowing these basics will help everything click faster.

Delta is the difference between buying volume and selling volume. Positive deltaDefinitionAsk volume minus bid volume. Positive = more buying. Negative = more selling. Shows who is more aggressive. means buyers were more aggressive. Negative delta means sellers were more aggressive. It is the single most important number on the footprint because it tells you who won.

POCDefinitionPoint of Control — the price with the highest volume. Where the most trading happened. (Point of Control) is the price where the most volume traded. It is fair value — the price the market agreed on. Price tends to gravitate back toward the POC.

Volume ProfileDefinitionA histogram showing total volume at each price level. The widest bar is the POC. Shows where the heaviest trading occurred. is the histogram on the side of the chart showing how much volume traded at each price. The widest bar is the POCDefinitionPoint of Control — the price with the highest volume. Where the most trading happened.. Thin areas are prices the market moved through quickly.

ImbalanceDefinitionA price level where one side overwhelms the other by 3:1 or more. Shows where big players committed. is a price level where one side overwhelmed the other by 3:1 or more. It marks where a big player committed. Stacked imbalancesDefinition3+ consecutive price levels where one side overwhelms the other by 3:1. Marks institutional zones. — three or more in a row — mark institutional zones.

Bid x AskDefinitionThe two columns in a footprint bar. Left = sellers (bid volume). Right = buyers (ask volume). are the two numbers at each price level. The bid (left) is selling volume. The ask (right) is buying volume. Together they show you the battle at every price.

Each footprint bar is divided into horizontal rows — one row for every price level where trading occurred during that candle. Each row shows two numbers separated by an "x":

Each row shows bid x askDefinitionThe two columns in a footprint bar. Left = sellers (bid volume). Right = buyers (ask volume).:

• Left number (bid) — aggressive sellers. Market orders hitting resting buy limit orders
• Right number (ask) — aggressive buyers. Market orders hitting resting sell limit orders
• Example: "142 x 387" at price 18250 means 142 contracts traded on the sell side and 387 on the buy side — buyers overwhelmed sellers nearly 3 to 1

Delta at each price level:

• Simply ask volume minus bid volume
• Positive deltaDefinitionAsk volume minus bid volume. Positive = more buying. Negative = more selling. Shows who is more aggressive. = more aggressive buying
• Negative deltaDefinitionAsk volume minus bid volume. Positive = more buying. Negative = more selling. Shows who is more aggressive. = more aggressive selling
• Heavy positive deltaDefinitionAsk volume minus bid volume. Positive = more buying. Negative = more selling. Shows who is more aggressive. at a key support level tells you buyers are stepping in with conviction