MACD can be a powerful tool for swing traders, as it can help identify entry and exit points based on crossover signals, divergence signals, and the zero line. Crossover signals indicate when the MACD line crosses above or below the signal line. If you are in a bullish trend and the MACD line crosses above the signal line, you can enter a long position or add to your existing position. Conversely, if you are in a bearish trend and the MACD line crosses below the signal line, you can enter a short position or close your existing position. Divergence signals indicate when the price and the MACD line move in opposite directions, which can signal a potential reversal of the trend. Bullish divergence occurs when the price makes lower lows while the MACD line makes higher lows, and bearish divergence occurs when the price makes higher highs while the MACD line makes lower highs. Lastly, zero line signals occur when the MACD line crosses above or below zero. When it crosses above zero, it indicates a positive momentum; when it crosses below zero, it indicates a negative momentum. You can use these signals to confirm the direction of the trend and adjust your swing trading strategy accordingly.