A candlestick chart is a popular tool used in financial markets to visualize price movements of assets like stocks or cryptocurrencies. Each "candlestick" represents a specific time period, showing the opening, closing, highest, and lowest prices during that time. The body of the candlestick is filled or hollow, indicating whether the price increased or decreased. Traders use candlestick charts to identify patterns and trends that can help predict future price movements. Different formations, such as doji or hammer candles, can signal potential reversals or continuations in the market. This visual representation makes it easier for traders to analyze market behavior at a glance.