Building Indicators

Select Build Indicator to create a new NinjaTrader 8 Indicator. A good request describes both the calculation and the intended visual output. State whether the Indicator belongs on the price panel or in a separate panel, and explain the plots, markers, colours or reference levels that matter.

Standard indicator names such as RSI, EMA or ATR have recognised baseline behaviour. A custom idea needs a clearer formula, including the price series, lookback period, smoothing and the condition that changes each output.

Using a visual reference

Supported models can accept a PNG, JPEG or WebP chart image. The image can communicate plot colour, line style, marker placement, panel location and approximate visual behaviour. Add written instructions describing the calculation because a chart cannot reveal an exact formula or proprietary algorithm.

Xen displays the attached image before submission and records it with the user request. If the selected model does not support images, the upload control explains which model must be chosen.

Review the result

The response contains one complete Indicator source file. Use the end-of-response controls to copy or download it, then run Build Check. Paste the file into a new Indicator in the NinjaScript Editor and compile it before applying it to a chart.

Compare the output with the intended calculation across more than one instrument and timeframe. Check the first available bars, real-time updates and any behaviour that depends on Calculate.OnEachTick or Calculate.OnPriceChange.

For a targeted change after testing, continue in the same project or use Existing Indicator with the latest complete source.