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I shared this idea on my Twitter feed here It seems quite a few of you liked it, and even suggested a couple of improvements. I just realised, I had not even created a page for it! So, here it is…

PJSReversalDetector – It’s really a very simple tool. It plots arrows where it thinks there is a chance of a possible reversal. It works on all chart types, but I typically use it on Renko. Here is an example


There are just a couple of settings. The ‘Period’, and ‘K’. On my Renko charts, I typically use a fairly high value, maybe 100 or more. ‘K’ is the signal sensitivity. Feel free to play with these settings until you get nice signals. Not too many, not too few. You can’t break anything πŸ˜‰

As of 15th April 2020, there is also now a publicly exposed plot for the signals that produce a 1, 0, or -1 output (you can thank George for the idea and his generosity for this update). This can be used in the NT8 strategy builder.



Ninjatrader 8


This tool is a freebie. Feel free to download it for your own personal use. Please be sure to check out some of my other Ninjatrader bits and pieces. If you wish to donate, please feel free to contribute towards further development. Remember, I’ve got to eat and keep the lights on too! Maybe buy me a coffee. Thanks for your support!


  • Keith Jones says:

    Thank you for the indicator. Can you explain the basis for the signals? Is this based on stochastics?

    Wish list of hings I would need to use this effectively:
    1. An audio alert- preferably the ability to upload my own. Without this, I cant use it at all unless I stare at the screen non stop.
    2. The ability to adjust the plot to my own color, size and and style of marker. It appears you have this option, but it does not change from the arrow.
    3. Better placement of the plot in order to make it visually more noticeable. Your markers are too close to the price data. I would like to have the ability to place a different plot a certain number of pixels above or below the pricing data.

  • tavaris says:

    Amazing work with the script. Ninza Renko bars coupled with this work excellent

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