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Jack & Jill
NinjaTrader: December 2026
In “The Jack & Jill Indicator” in this issue, John Ehlers presents a trend indicator that plots two lines (referred to as Jack and Jill) over price, along with an oscillator that plots the difference between them.
The indicators are available for download at the following link for NinjaTrader 8:
Once the file is downloaded, you can import the indicator into NinjaTader 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 files JackAndJill and JackAndJillOscillator.
An example of the indicator is shown on a chart of MNQ in Figure 4. The indicator is demonstrated on a one-minute chart of MNQ.
Sample Chart
FIGURE 4: NINJATRADER. The JackAndJill (20) and JackAndJillOscillator (20) are displayed on a one-minute chart of emini S&P 500 futures contract, MES.
NinjaScript uses compiled DLLs that run native, not interpreted, to provide the highest performance possible.