That is a good article. As does the author, I too have been using the 30% and 70% levels for $BPxxx charts. I have also been playing with $BPxxx's in this chart style. Its a work in progress for me... https://stockcharts.com/h-sc/ui?s=%24BPCOMPQ&p=D&yr=1&mn=1&dy=0&id=p69051637902 https://stockcharts.com/h-sc/ui?s=%24BPSPX&p=D&yr=1&mn=1&dy=0&id=p69051637902 https://investorshub.advfn.com/uimage/uploads/2022/8/22/zhqtu22Aug3.png https://investorshub.advfn.com/uimage/uploads/2022/8/22/hmqg[22Aug4.png