#看懂K线 K-line chart (also known as candlestick chart) is a fundamental tool in cryptocurrency and stock trading. Each K-line contains four key pieces of information: opening price, closing price, highest price, and lowest price. Red K represents an increase, while green K represents a decrease. Learning to interpret K-line patterns such as cross lines, engulfing patterns, and head and shoulders is helpful in grasping market trends and turning points, which is the core foundation of technical analysis. $BNB