Target previous plotted area / line

[quicksandatl]

Hi there,

I'm trying to create a simply strategy that targets a price crossover/under in the past. In the attached example, I am trying to trigger when price crosses below the bottom lime green line. However because of the settings on this indicator, as soon as price crosses through it, the plots reset, and thus I cannot trigger the crossunder.

Any ideas here? In this example was trying to displace a 1 period EMA a few bars back, but I'm not sure how to trigger this in the builder. Any suggestions are greatly appreciated. Thanks!

[quicksandatl]

Hello quicksandatl,

Thanks for your post.

To clarify, are you trying to detect a cross above/cross below for when the market price crosses above/below the plot of the indicator plotting the lime green line? Or, are you trying to detect if the EMA indicator crosses above/below the indicator plotting the lime green line?

Is the indicator plotting the lime green line one that comes with NinjaTrader? Or, is this a third-party indicator from a vendor?

It seems you might want to use BarsAgo to accomplish this.

As CrossAbove and CrossBelow cannot work with BarsAgo values, you will instead want two conditions to compare the previous bars.

For example, to find if the market price has crossed below the indicator displaced by 1 in the Strategy Builder:

Price folder > Close with Bars ago set to 1, Greater, Indicators > (select indicator) with Bars ago set to 2.
Price folder > Close with Bars ago set to 0, Less, Indicators > (select indicator) with Bars ago set to 1.

See this help guide page for more information about Strategy Builder conditions: https://ninjatrader.com/support/helpGuides/nt8/NT%20HelpGuide%20English.html?strategybuilder_cond ition_builder.htm

Here is a forum thread discussing this topic: https://forum.ninjatrader.com/forum/...moving-average

This worked perfectly! Thank you so much.

[quicksandatl]

Hi NinjaTrader_BrandonH

I was wondering if I can get some additional input from you please.

What would be the way I could specify a longer lookback period for this? I tinkered with it, but couldn't get it to trigger. Basically, if the crossover occurs between the previous (lets say for example) 1 to 6 bars, how could I define that?

The other question would be is, how could I trigger an entry on a reversal bar? Let's say the reversal renko bar is 100 ticks. The criteria would basically be for long: 1. does the low cross under one of the specified plotted lines within the lookback period and 2. if following bar is 100 ticks from low of previous bar, enter long.

Thank you!

[quicksandatl]

Hello quicksandatl,

Thanks for your notes.

Something you could consider doing is setting the "Of the following conditions are met" drop-down menu to "If Any", creating condition groups, and adding your conditions in each condition group to check for a different barsAgo.

In the first condition group check if the market price has crossed below the indicator displaced by 1 as seen in post # 2. In the second condition group in the Set use a BarsAgo to check if the cross below occurs for previous bars.

For example:

Condition Group 1:
Price folder > Close with Bars ago set to 1, Greater, Indicators > (select indicator) with Bars ago set to 2.
Price folder > Close with Bars ago set to 0, Less, Indicators > (select indicator) with Bars ago set to 1.

Condition Group 2:
Price folder > Close with Bars ago set to 2, Greater, Indicators > (select indicator) with Bars ago set to 3.
Price folder > Close with Bars ago set to 1, Less, Indicators > (select indicator) with Bars ago set to 2.

And so on. To create a condition group you would click the 'group' button on the Conditions and Actions screen of the Strategy Builder.

Conditions and Actions: https://ninjatrader.com/support/help...dActionsScreen

To detect if the previous bar is an up bar you could create a conditions that checks if Close[1] > Open[1] and to detect if the current bar is a down bar, you could create a conditions that checks if Close[0] < Open[0].

The opposite would be done to detect if the previous bar is a down bar and the current bar is an up bar. Close[1] < Open[1] and Close[0] > Open[0].

Thank you for this!

How am I able to get the reversal bar to trigger based on the previous condition groups? Essentially, the strategy is one bar crosses under the plotted line, and only if the following bar is an up bar (for long) does it entry?