Address multiple timeframes in one script

[Berry Trader]

When addressing multiple timeframes, do all those timeframes need to be loaded into a single chart before running the strategy?
I currently have a script that addresses these instruments

else if (State == State.Configure)
{
AddDataSeries("NQ 03-24", Data.BarsPeriodType.Tick, 300, Data.MarketDataType.Last);
AddDataSeries("NQ 03-24", Data.BarsPeriodType.Tick, 1000, Data.MarketDataType.Last);
AddDataSeries("ES 03-24", Data.BarsPeriodType.Tick, 300, Data.MarketDataType.Last);
AddDataSeries("ES 03-24", Data.BarsPeriodType.Tick, 1000, Data.MarketDataType.Last);
}

So NQ 03-24 300 tick is index 0.
NQ 03-24 1000 tick is index 1, etc...

Further down I define a MACD for the first two intruments

MACD1 = MACD(Closes[0], 12, 26, 9); <--- this is the MACD for NQ 300 tick
MACD2 = MACD(Closes[1], 12, 26, 9); <--- this is the MACD for NQ 1000 tick

Then I use these MACD's in my code in an attempt to paint the background light green when the NQ1000 MACD is Positive and rising.

if ((MACD2.Avg[0] >= 0)
&&(MACD2.Diff[0] > 0))
{
BackBrush = Brushes.Honeydew;
}

So If I open an NQ 300 tick chart and enable this strategy (which has other sections that do things depending upon what the 300 tick is doing),
I get this odd result.
The background screen is painted according to what the 300 tick MACD is doing, instead of what the 1000 tick MACD is doing as specified.
No error is thrown.

What is the best way to proceed?
Thanks,

[Berry Trader]

I added the 1000 tick NQ to my 300 tick NQ chart. The problem is still the same.

[NinjaTrader_Jesse]

Hello Berry Trader,

You have the wrong indexes in your sample, the nq 300 tick or first AddDataSeries would be index 1 and then each after would increment by 1. 0 is your chart series. Do you still see a problem if you change the indexes that you are using?

[Berry Trader]

NinjaTrader_Jesse wrote:
"0 is your chart series. "
Ah. Thank you, Jesse.
So If I have usually have 3 data series on my chart when I load the strategy, Shall I define my strategy data series starting with index [3] ?

[NinjaTrader_Jesse]

Hello Berry Trader,

No the script only sees the series you apply it to so that is always series 0, AddDataSeries would start at index 1 always. The additionals series on your chart are completely unrelated to the script.

[Berry Trader]

Thanks, Jesse. This makes sense to me. I'm looking forward to adjusting my script to see what happens.