Episode Summary

While academic research shows that the evidence for consistent outperformance from charting patterns after transaction costs is weak, technical analysis remains a highly relevant tool in modern markets. Because millions of participants actively use charting, it heavily shapes daily market vocabulary and directly impacts short-term price movements. Pure technical analysis rests on the core assumptions that price discounts all available information, that prices move in trends, and that human behavioral patterns driven by fear and greed cause history to repeat itself on a chart.

We deconstruct the fundamental concepts of support and resistance, showing how they are built on investor memory (such as the psychological urge to sell and break even once a stock returns to a previous purchase price) and self-fu ...