Identifying supply & demand zone for swing trading

In this video, I am going to how you how to identify supply and demand zone as support and resistance levels for swing trading, as a continuation of my previous video - identifying support and resistance for swing trading video. Feel free to watch below if you haven't done so:

There is one key factor that I pay attention to, which is the price spread. I would like to see big spread bar where the price accelerates to the upside or to the downside. If we have access to the volume, we will generally see high volume for those supply or demand bars. Those big spread bars will form the supply or demand zone.