Technical analysis assumes that all material information is already reflected in the price, and market movements repeat because they are determined by participant behavior. The toolkit includes support and resistance levels, trend lines, chart patterns, and calculated indicators.
The opposite approach is fundamental analysis, which studies the financial condition of the issuer. The first answers when to buy, the second answers what to buy; they do not exclude each other.
The effectiveness of the method is a subject of ongoing debate. A systematic advantage from using technical signals has not been convincingly confirmed, and results are sensitive to parameter selection and testing period. The practical risk is that the method creates an impression of certainty and triggers frequent trades, whose transaction costs accumulate.
A separate limitation for the Uzbek market: technical analysis requires a sufficient number of trades. For securities traded sporadically, the chart reflects random operations, and the patterns and indicators based on it lack statistical significance.