How to code to refresh a tick chart to a new tick bar size?

xxzbill

Junior Member

Join Date: Mar 2020

Posts: 29
#1

How to code to refresh a tick chart to a new tick bar size?

08-20-2021, 09:14 PM

I am looking to:

1. find the total number of ticks/trades in the last day on a 1000-tick chart
2. divide by 60,
3. then refresh the tick chart to the new tick value, so the tick chart shows exactly 60 bars per day

How do I start on #1?

For #3, writing BarsPeriod.Value=2000 in OnStateChange on a 1000 tick chart doesn't do anything - the chart is still 1000 tick.

Thank you for any help!
Tags: None
NinjaTrader_ChelseaB

NinjaTrader Customer Service

Join Date: Dec 2012

Posts: 25060
#2

08-22-2021, 05:17 PM

Hello xxzbill,

It is not supported to directly change the data series information of a chart.

An undocumented approach would be to send keys using Keyboard.FocusedElement.RaiseEvent. The RolloverIndications indicator has an demonstration of this in a button click.

Rollover indications - NinjaTrader Ecosystem

https://ninjatraderecosystem.com/user-app-share-download/rolloverindications-2/

Shows a button on the chart to roll the expiry to the next available contract month. Option to hide button until a number of days before or on roll date. Another option to confirm by opening the instrument overlay selector or automatically rollover without confirmation. (Update June 27th, 2019 – Added an option to show […]

Chelsea B.NinjaTrader Customer Service
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