NinjaScript tutorials from someone who’s been writing it since NT6.5. Start at the top if you’re new — or jump to whatever you’re stuck on.
If you’ve written even a little bit of NinjaScript, you’ve probably used a draw object. They’re one of the most common tools in the platform — and for good reason. Drawing on the chart is straightforward, visual, and incredibly helpful. Whether you’re marking an entry with a dot, showing confirmation text above a candle, or…
When you first start coding indicators in NinjaScript, it’s common to think bar-by-bar: But sometimes, you need to track bigger stories across an entire session —like the highest high and lowest low — and doing that with basic variables can quickly get messy. That’s where creating your own class comes in. 📦 ✅ A class…
In NinjaScript, the built-in tools like Series<T> and Values[] are powerful — but sometimes you need more control over your data. Maybe you want to: That’s where Lists, Dictionaries, and Arrays come in. These C# structures give you a flexible, powerful way to handle historical data exactly the way you need for advanced custom indicators…
If you’ve been building indicators or strategies in NinjaTrader 8 for more than five minutes, you’ve probably found yourself writing the same utility methods over and over again. ✅ Round to tick size✅ Get a unique ID✅ Grab a moving average✅ Change brush opacity…and on and on. Sure, it works… but after a while, your…
A Beginner’s Guide to Reusable Logic in NinjaTrader. As your NinjaScript indicators or strategies grow more complex, your code can start to get messy — fast. That’s where methods (also known as functions) come in. ✅ In plain English: A method is a reusable block of code that performs a task — so you don’t…
A Complete Beginner’s Guide to Coloring in NinjaTrader. When you build custom indicators or strategies in NinjaTrader, you’ll often want to control the color of what you draw — whether it’s a trend line, a signal marker, or even the background of the chart. Brushes are how you manage all of that. ✅ In plain…
A Complete Beginner’s Guide to Static Visual Markers. After learning about Plots, which dynamically update on every bar, it’s time to explore a simpler but powerful tool in NinjaTrader: Lines. Lines are static, horizontal markers that you can add to your indicators.They don’t change bar-by-bar — they stay exactly where you place them, providing clear…
A Complete Beginner’s Guide to Visual Outputs (Plots). Once you understand how NinjaTrader stores values with Series<T>, the next step is learning how NinjaTrader actually displays your indicator’s output visually — through Plots. ✅ Plots are the visual bridge between your raw calculations and the chart the trader sees. Every time you add a plot…
A Beginner-Friendly Guide to Custom Data Storage in NinjaTrader. In NinjaTrader, almost everything you see — from price plots to moving averages to volume bars — is powered by something called a Series. Series<T> is the engine behind storing, tracking, and referencing information bar-by-bar as time moves forward. Learning how to properly use Series<T> will…
Where most of your trading logic happens. In our last articles, we explored NinjaScript structure, variables and properties, and how NinjaTrader manages a script’s lifecycle with OnStateChange(). Now it’s time to dive into the true “heartbeat” of NinjaScript development: OnBarUpdate() — where most calculations, decisions, and signals happen. 👉 Save this official NinjaTrader Help Guide…
Notifications
