Looking Forward, Not Backward — The Hidden Traps of Opportunity Cost and Yield on Cost Thinking
Hi everyone, this is STE here and welcome back to my investing journey. In this post, I’d like to talk about two popular ideas that often sound smart but can quietly mislead investors: Opportunity Cost and Yield on Cost. Both concepts have value in theory, but in practice, they can distort how we view our investments , anchoring us to the past instead of focusing on the future. Let’s unpack these two concepts and see why looking backward can hurt long-term performance more than help. The Rear-View Mirror Problem in Investing Many investors love to use “ opportunity cost” and “yield on cost ” as proof of how well or poorly they’ve done. They look at the past , the missed winners, or the dividends growing from an old purchase and feel either regret or pride. But investing is not a museum of memories; it’s a living, evolving process. The market constantly changes, businesses evolve, and capital must keep flowing to where the future returns are highest. The biggest danger comes when we le...