Theres an Indicator on Ninja Trader 7 called "ncatRSD" which is designed to plot areas where Supply and Demand exist, heres the link to the video about it
https://www.youtube.com/watch?v=3X9PPNYmhlk
One of its features is you can assign the Supply and Demand zones to any time frame, eg say you are looking at an M5 chart, you can plot M15 zones on it. or you can simply assign zones for the same time frame.
Would it be possible to make this indicator ?
Thanks