Order flow is more than a charting style—it’s a way of understanding how futures markets move, tick by tick. For active traders, order flow can offer real-time insights into who’s in control of the market and how price levels are being challenged or defended.
A footprint chart displays the buy and sell volume transacted at each individual price level within a bar, giving traders visibility into whether buyers or sellers were more aggressive—informationthat a standard candlestick chart does not show.
With the NinjaTrader Order Flow + suite, traders can leverage tools like footprint charts (volumetric bars) and cumulative delta to gain visibility into actual trade activity—not just price outcomes. In this post, we’ll look at how these tools work together and how you can apply them in your daily trading decisions.
What is a footprint chart?
A footprint chart (called volumetric bars in NinjaTrader) is a specialized trading chart that studies real-time buying and selling through executed trades. Instead of analyzing where price has gone, a footprint chart focuses on how price got there—showing the volume of trades happening at each price and who's initiating them (buyers or sellers).
This data offers a direct view into market participation, revealing information that typical price charts don’t, including:
- How aggressively buyers or sellers are acting
- Where volume is building up
- Which levels are being defended or broken through
For futures traders, this information can help confirm setups, time entries with more precision, and better understand momentum and exhaustion.
Footprint chart (volumetric bars in NinjaTrader) | Standard candlestick chart |
Shows buy and sell volume at each price level | Shows open, high, low, close only |
Reveals who is initiating trades (buyers vs. sellers) | Does not show trade initiation |
Highlights imbalance, absorption, and exhaustion | No direct visibility into order flow |
Best for intraday and scalping strategies | Useful across all timeframes and strategies |
Footprint charts (volumetric bars) provide a deeper view of order flow, helping traders interpret market participation and refine entry and exit decisions with greater context.
Why order flow matters for active futures traders
When markets are moving fast, price alone can be misleading. Order flow can help traders react to what the market is doing right now, not what it did several bars ago. That’s especially important for day traders, scalpers, and anyone executing short-term strategies.
Order flow tools can help you:
- Spot where real buying or selling is occurring
- Confirm whether a breakout has strength behind it
- Identifywhen one side of the market is losing momentum
- Evaluate the quality of support and resistance levels based on actual participation
By focusing on trade-level data, you gain a more nuanced understanding of market structure and sentiment—insight that can’t be gleaned from candlesticks alone.
Read about order flow indicators for futures traders.
How footprint charts and volumetric bars work in NinjaTrader
If you’ve heard the terms footprint chart and volumetric bar chart, you may be wondering if they’re different tools. In NinjaTrader, footprint charts are called volumetric bars. The functionality is the same—both display buy and sell volume at each price level within a bar.
- Footprint chart is the industry-standard term used by traders across platforms.
- Volumetric bars is the term NinjaTrader labels the feature in the platform UI.
Both refer to a specialized chart that displays buy and sell volume at each price level within a bar. Instead of a standard candlestick that shows open, high, low, and close, a volumetric (footprint) chart can show you what happened inside the bar, including:
- How much volume traded at each price
- Whether that volume occurred at the bid (selling) or ask (buying)
- Where imbalances occurred between buyers and sellers
- The most traded price level in each bar (point of control)
This visualization can help you assess not just the outcome of a move but the intent and strength behind it.
Learn more about order flow trading with volumetric bars.
Key footprint chart patterns every futures trader should know
NinjaTrader's Order Flow+ suite includes volumetric bars, cumulative delta, and volume profile, giving futures traders a layered view of real-time order flow activity.
To make the most of the Order Flow + tools, it’s important to understand how volumetric charts and cumulative delta work together. Each offers a different view into real-time market activity and can help you validate what’s happening beneath the surface of price.
What is cumulative delta? Learn more.
Read about how to use volume profile to track order flow.
Volumetric (footprint) charts
In futures markets, footprint chart analysis is particularly effective because trade data is centralized and standardized at the exchange level, making bid-ask volume breakdowns accurate and actionable for intraday traders.
Footprint charts are especially useful for spotting areas of imbalance, absorption, and exhaustion. In a fast-moving market, these patterns can signal either continuation or reversal. Traders might use volumetric charts to:
- Spot aggressive buyers stepping in at the highs of a bar
- Identifywhere sellers are absorbing buying pressure
- Detect shifts in control from one side of the market to the other
Volumetric charts are highly customizable in NinjaTrader, allowing you to display:
- Bid vs. ask volume
- Delta per price level
- Volume-weighted metrics
- Visual cues for large imbalances or high-activity zones
How to use cumulative delta alongside footprint charts
While volumetric charts can show you what’s happening inside a single bar, cumulative delta can help you track the net difference between buyers and sellers over time. It’s calculated by subtracting total sell volume (executed at the bid) from buy volume (executed at the ask). Traders might use cumulative delta to:
- Confirm directional moves: Rising delta in an uptrend can signal strong buying pressure.
- Spot divergences: If price makes newhighsbut deltadoesn’t, it could signal weakening demand.
- Evaluate trend strength: Sustained positive or negative delta can reflect the momentum behind a directional move.
Delta can be especially useful when used as a secondary filter, supporting or challenging what you see in price action.
Together, these tools can offer a clearer picture of market pressure and participation. When combined with price structure and context, they can support more confident, data-driven trade decisions.
See related blogs:
Applying footprint analysis to scalping and intraday futures trading
Order flow tools are powerful, but they’re most effective when applied with intention. Here are a few ways traders could use NinjaTrader’s Order Flow + suite in real trading workflows.
1. Reversal at resistance with buyer exhaustion
You're watching price approach a known resistance level. On a volumetric chart, you see large buying volume stacked at the highs, but price isn’t pushing through. Cumulative delta starts to slow or decline, indicating a lack of follow-through.
Strategy: Short the market as it begins to reverse, placing your stop just above the high-volume area. The trapped buyers provide potential fuel for a move lower.
2. Breakout with delta confirmation
Price breaks out of a tight range on rising volume. You check cumulative delta and see a strong upward surge, confirming aggressive buying.
Strategy: Enter the breakout with confidence and trail your stop behind volume clusters shown in the footprint chart. Exit if delta diverges from price.
3. Identifying trapped traders with volume imbalance
During a pullback, a single bar shows heavy selling on the footprint, but the market holds its level and then snaps higher. This could signal that sellers were absorbed, and now they're stuck.
Strategy: Enter long on the reversal, using the low of the footprint bar as your risk level. Look for continuation as trapped sellers exit.
These are just three possible strategies using NinjaTrader Order Flow + tools. While the theories behind the strategies might seem logical, they do not guarantee a positive outcome. Proper risk management (using stops) can help to mitigate risk in the case the market moves against your strategy.
Common mistakes traders make with order flow
Even though order flow tools offer detailed insights, they require experience and context to interpret effectively. Here are a few common missteps traders make:
- Reacting to every imbalance: Not every volume spike is a trade signal. Use context and confluence with other tools.
- Overweighting delta: Delta alonedoesn’tdeterminedirection. Use it to confirm, not dictate, your trades.
- Ignoring trend and structure: Order flow should support yourbigger-pictureanalysis, not replace it.
- Skipping practice: Order flow tools take time to master. UseNinjaTrader’ssim trading environment to build your skill without risk.
Getting started with Order Flow+ in NinjaTrader
Footprint charts and volumetric bars can give traders a view into the engine behind every price move. When combined with cumulative delta and a solid trade plan, NinjaTrader’s Order Flow + suite can help you interpret market behavior in real time and act on it with more clarity and control.
Whether you’re refining entries, identifying potential reversals, or seeking confirmation on a breakout, these tools are designed to support how you trade—not tell you what to do. Start today: Sign up for a NinjaTrader account and begin exploring Order Flow + tools in our sim environment.
FAQs about footprint charts
What is a footprint chart?
A footprint chart shows the buy and sell volume executed at each individual price level within a bar. Unlike a standard candlestick, which only shows open/high/low/close, a footprint chart reveals who was more aggressive—buyers or sellers—at every price traded during that period.
How do I read a footprint chart?
Each bar shows bid volume (sells) and ask volume (buys) at each price level. Look for imbalance, where one side dramatically outweighs the other; absorption zones, where heavy volume fails to move price; and exhaustion, where volume dries up at an extreme.
What is the difference between footprint charts and volumetric bars in NinjaTrader?
They are the same thing. NinjaTrader labels this chart type "volumetric bars" inside the platform; "footprint chart" is the broader industry term. Both display buy and sell volume at each price level within a bar.
Do I need Order Flow+ to use footprint charts in NinjaTrader?
Yes. Volumetric bars are part of the NinjaTrader Order Flow+ add-on, which is included with a NinjaTrader Lifetime account or available as a monthly add-on.
