Ok, thanks for the explanation. I got confused because of your definition of ROI. Normally, ROI of 80% would mean you invest $1 and get back $1.8 in return. see

Ok, thanks for the explanation. I got confused because of your definition of ROI. Normally, ROI of 80% would mean you invest $1 and get back $1.8 in return. see https://www.investopedia.com/terms/r/returnoninvestment.asp https://www.investopedia.com/terms/r/returnoninvestment.asp. What you described will mean -20% return and not 80% return. But I get the point you are making and I agree with it.