don't hide it, set the plots to invisible.

AHA - thanks TJ, that solved the problem. It now scales properly!

add the weekly data series to subchart #1

Yes I've tried that too - and scaling does work, but I don't want to see the weekly bars on my daily chart.

If you then HIDE the weekly plot, the scaling gets thrown out again.

Set to scale as instrument but not actually scaling to daily.

Add one more data series to the chart. It's free.

I've been using Insert > Instrument and selecting which subchart to place it.
But this has no effect on scaling.

Is there something I'm missing??

Format Study > Scaling > Same as Instrument Thx that would be logical, but I did that originally and it does not work. The only way I can get it to correctly scale is to plot the weekly bars ON the daily chart, then plot the weekly moving average. But then if you hide the weekly bar plots, the movi...

Hi - I can get the weekly moving average to plot on the daily sub chart by selecting the weekly data source in Properties, but the scaling of the weekly moving average does NOT match the daily instrument.

How do I force the weekly plot to follow the same scaling as the daily chart?