Running Logic 2 Sec Before Bar Close

[athyssen]

I'm trying to make a trade entry decision 2 seconds before the 1 minute bar closes. So 12:00:58, 12:01:58, etc.
My latest attempt is to add the 1 second data stream of my instrument and watch for the proper time in OnBarUpdate. Unfortunately, the instrument doesn't have an OnBarUpdate for every second. I can still use that method for grabbing the latest price, but I need some way to call a decision function 2 seconds before the next bar close or 58 seconds after each minute OnBarUpdate.
Thanks!

[NinjaTrader_BrandonH]

Hello athyssen,

Thanks for your post.

"the instrument doesn't have an OnBarUpdate for every second."

I understand that you have added a secondary 1-second data series to your script and state that the instrument doesn't have an OnBarUpdate() for every second.

If you have a secondary 1-second data series added to a script with AddDataSeries() and run the script with Calculate.OnBarClose, the OnBarUpdate() method of that secondary 1-second data series will process OnBarUpdate() at the close of each 1-second bar.

This could be confirmed by adding prints to your script that print out BarsInProgress and the current Time[0]. If there is only 1 added series, we will see a print showing the BarsInProgress value is 1 and the Time will show that OnBarUpdate() is called for each second that occurs.

See this demonstration video showing the above concept: https://brandonh-ninjatrader.tinytak...MV8yMDY3NTA1OA

Something you could consider doing is adding a secondary 2-second data series to the script using AddDataSeries(). Then in OnBarUpdate() create a condition that checks if the Time of the added 2-second data series Seconds value ends in 58 and call your action, such as EnterLong().

The condition might look something like this:

if (Times[1][0].Second == 58)
{
    //do something here
}

See the help guide documentation below for more information.

AddDataSeries(): https://ninjatrader.com/support/help...dataseries.htm
Times[][]: https://ninjatrader.com/support/help...ries_times.htm

Let me know if I may assist further.