The AutoTune Filter

Links: |TradingView|TradeStation|NinjaTrader|MT4|MT5|Python|

NinjaTrader: May 2026
In “The AutoTune Filter” in this issue, John Ehlers presents an indicator he named the AutoTune indicator. An indicator based on the description given in the article is available for download at the following link for NinjaTrader 8:


Once the file is downloaded, you can import the indicator into NinjaTrader 8 from within the control center by selecting Tools → Import → NinjaScript Add-On and then selecting the downloaded file for NinjaTrader 8.

You can review the indicator source code in NinjaTrader 8 by selecting the menu New → NinjaScript Editor → Indicators folder from within the control center window and selecting the file.

A sample chart is shown in Figure 3. FIGURE 3: NINJATRADER. The AutoTune indicator is demonstrated on a daily chart of emini S&P 500 futures (ES).

NinjaScript uses compiled DLLs that run native, not interpreted, to provide you with the highest performance possible.