public class MyCustomStrategy : Strategy { private MG_BollingerBounce bbIndy; protected override void OnStateChange() { if (State == State.SetDefaults) { ... etc ... } else if (State == State.Configure) { bbIndy = new MG_BollingerBounce(); } } protected override void OnBarUpdate() { if(MG_BollingerBounce()[0] == 1) { ... works .... } if(indy[0] == 1) { ... throws exception ... } }
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Indicator values in strategy
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Indicator values in strategy
Hello, I'm trying to access my custom indicator's value like below. It only works when I call through a new instance but throws an exception when calling through a variable:
Strategy 'MyCustomStrategy': Error on calling 'OnBarUpdate' method on bar 16269: You are accessing an index with a value that is invalid since it is out-of-range. I.E. accessing a series [barsAgo] with a value of 5 when there are only 4 bars on the chart.Code:Tags: None
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Hello,
Thank you for the question.
This would be because you are creating a new instance in this case.
The new keyword would not be needed for an indicator in NinjaTrader. If you think of a indicator being a Method rather than a type, it is easier to see the structure of how indicators work.
you would only need to remove the new keyword, additionally I would suggest putting the indicator in DataLoaded or Historical rather than Configure.
Code:else if (State == State.Historical) { bbIndy = MG_BollingerBounce(); }
JesseNinjaTrader Customer Service
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