Multiple StrategyPlot()

[stefy]

Hi

I'm using StrategyPlot() to plot inside a strategy.

I built my StrategyPlot(0) and had no issues. Now I wanted to add StrategyPlot(1) which is simply the 11 period SMA of StrategyPlot(0).

StrategyPlot(1).Value.Set(SMA(StrategyPlot(0), 11)[0]);

I keep on getting overflow error. I tried to add

if(CurrentBar < 11)
return;

with no success. Since I'm not dividing anything by zero, I don't see what else it can be.

Thank you

[NinjaTrader_JoshP]

What is the exact error message?

[stefy]

Error on plotting indicator 'StrategyPlot'. Please check the 'OnBarUpdate' or the 'Plot' method: Error of overflow.

[NinjaTrader_JoshP]

Works fine on my end. You will need to debug and isolate where your code is failing.

See attached.

[stefy]

Well, my strategy is more complicated than your sample.
Sometimes it plots correctly, but then when I scroll back the chart, the plots disappear. Other times, like now, it plots just the second and third plot, but not the first one.
All I get in the Log is only the usual "Overflow Error".
May I send you my file to try it on your machine?
My data provider is IB.

Thank you

[NinjaTrader_JoshP]

stefy,

Unfortunately I just don't have the bandwidth to be evaluating complex systems. If it works from the base case scenario I provided earlier than we know it is some level of complexity introduced that is causing the issues. You will just need to slowly go through and debug it.

Also, StrategyPlot() comes with its limitations and is provided as an as-is solution. If it does not meet your needs, NT7 will provide a more elegant solution for multi-series charting.

[molecool]

Is NT7 going to be your standard response for any question now? ;-)

[NinjaTrader_JoshP]

Michael,

There is no information I can provide you guys for StrategyPlot(). It is provided as an as-is intermediate workaround. If it does not fit the bill for your requirements there is nothing more we can do.

NT6.5 does not support multi-series charting. NT7 will fill the gap.

[stefy]

I found the issue: in my second StrategyPlot(), if I just use the DataSeries I previously calculated, it plots fine. If I smooth it, the "Error overflow" comes up. I simply do:

signal1.Set(SMA(zscore, w1)[0]);

but if I do

signal1.Set(zscore[0]);

it plots fine.

Why this happens? Does it have anything to do with SMA? Is there any other way to calculate an average in NT?

Thank you

[NinjaTrader_JoshP]

Likely because you did not sync the DataSeries to the correct time frame.

http://www.ninjatrader-support2.com/vb/showthread.php?t=3572

[stefy]

I added two bar objects with 1min bars.
I'm trying to plot with StrategyPlot() both at 1min and 5min (for the main instrument) and they both don't work.

[NinjaTrader_JoshP]

You are using DataSeries. Please sync it to the time frame you are trying to use it on as per my last post.

[ATI user]

Josh

I assume you only need to sync if you are trying to plot the added series from your strategy?

Please confirm

I add several timeframes to my cs and have never synced...just use the values for calcs...is this possibly causing problems/errors I do not know about?

thanks

[stefy]

I understand that if I added another instrument with 1min bars I will need to use it on a 1min bar strategy, otherwise it won't plot. Correct?
As I wrote already though, I encounter the same problem even after adding 1min bars and running a 1min strategy.

Thank you

[NinjaTrader_JoshP]

ATI user,

You only need to sync DataSeries if you want the series to hold continuous values of your secondary bar series.


stefy,

As discussed, StrategyPlot comes with its limitations. What is shown in the reference sample is what it can do and that is it. I cannot assist you further since it is an as-is solution. NT7 will provide multi-series charting.