This document provides an overview of technical analysis. It defines technical analysis as the study of market behavior by analyzing price action and volume data over time. The key principles of technical analysis are that price discounts all factors, the market moves in identifiable patterns and cycles, and trends tend to persist until clear signals indicate a reversal. Technical analysis uses various chart types like line charts, bar charts and volume charts to identify patterns in historical market data and make predictions about future price movements. The document outlines some basic terminology and chart types used in technical analysis.