How do I add a custom column to my SuperDOM?

To add a custom column, you must first compile your NinjaScript class that inherits from SuperDomColumn. Once compiled, right-click on the SuperDOM window and select "Columns." In the Columns window, you will see a list of available columns. Your custom column should appear in the "Available columns" list. Select it and click "Add" to move it to the "Configured columns" list. You can then adjust its parameters and position.

Can I use custom columns for backtesting?

Custom SuperDOM columns are primarily designed for real-time execution and visualization. While they can be used in simulated environments, they rely on Level 2 market data which may not be fully available or accurate in historical backtests depending on your data feed. For backtesting, it is generally better to use standard indicators or strategies that run on bar data. However, some advanced setups can simulate tick data if your data feed supports it.

What is the difference between managed and unmanaged orders in custom columns?

Managed orders are handled automatically by NinjaTrader, which manages stop-loss and take-profit orders for you. Unmanaged orders give you full control, requiring you to submit and cancel orders manually via code. Custom columns often use unmanaged orders to implement complex logic like OCO pairs, trailing stops, or dynamic order sizing that the managed system cannot handle.

How do I handle thread safety in my custom column?

Market data updates arrive asynchronously, so you must use thread-safe data structures to prevent race conditions. The ConcurrentDictionary class is the standard solution for this in C#. It allows multiple threads to read and write to the dictionary simultaneously without locking the entire structure. Always use ConcurrentDictionary for storing volume or trade data in your custom columns.

Where can I find examples of existing custom columns?

NinjaTrader provides open-source examples of its system columns. You can find the source code in the Documents\NinjaTrader 8\bin\Custom\SuperDomColumns folder. Reviewing these files gives you a solid starting point for understanding the OnMarketData(), OnOrderUpdate(), and OnRender() methods. Additionally, the NinjaTrader Ecosystem forum often shares user-created columns and scripts. Building custom SuperDOM columns is a powerful way to tailor your trading environment to your specific needs. Whether you are tracking NQ order flow, monitoring queue positions, or visualizing complex volume patterns, the flexibility of NinjaScript allows you to create the perfect tool. By mastering the OnMarketData() lifecycle and implementing thread-safe data structures, you can build robust solutions that keep pace with the fastest markets. For those looking to enhance their setup further, tools like the Advanced Tick Analyzer (ATA) can provide additional real-time insights into volume and tape data. Similarly, the Order Flow Data Extractor allows you to export this data for deeper quantitative research. Explore these resources to take your strategy development to new heights.

Build Custom SuperDOM Columns with

What if your NinjaScript SuperDOM could display exactly the order flow data you need for NQ, without the clutter of irrelevant information? Most traders...

By Trader Algorítmico (Equipo Editorial) | Published: December 8, 2025

What if your NinjaScript SuperDOM could display exactly the order flow data you need for NQ, without the clutter of irrelevant information? Most traders settle for the default view, missing critical imbalances that signal a move before it happens. SuperDOM Column is a custom NinjaScript object that extends the functionality of the NinjaTrader 8 SuperDOM window. It allows developers to render unique data visualizations directly alongside price levels. Order Flow is the real-time analysis of buy and sell order activity at each price level. It allows traders to see institutional activity before it reflects in the price. When you trade the Nasdaq 100 futures (NQ), speed and clarity are everything. The standard SuperDOM provides a solid foundation, but it often lacks the specific depth metrics required for high-frequency scalping. By building custom columns, you gain the ability to visualize stacked imbalances, track specific volume profiles, or monitor queue positions in a way that fits your exact strategy. This level of customization turns a generic tool into a precision instrument.

Related Products

ata | orderflowdataextractor | alvanor

Back to Blog | Indicators | Strategies | About