Captiol One Finance: 

Swing trading is a popular trading strategy that involves holding positions for several days or weeks to take advantage of short-term price movements in the financial markets. This strategy aims to capture gains in the Market by buying at low prices and selling at higher prices, or by selling at high prices and buying back at lower prices.

To earn income from swing trading, Traders seek to identify stocks, currencies, commodities, or other financial instruments with a high potential for price movements in the short term. They use technical analysis and other tools to identify trends, support and resistance levels, and other market indicators that can help them make profitable trades.

Successful swing traders aim to generate consistent returns over time by applying a disciplined approach to risk management and position sizing. By setting strict entry and exit points, managing their portfolios with proper diversification, and using stop-loss orders to limit losses, swing traders can minimize their risks while maximizing their potential profits.

Overall, swing trading can be a profitable way to earn income from the financial markets, but requires a solid understanding of market dynamics, risk management, and technical analysis. As with any trading strategy, there are risks, and traders should only invest money that they can afford to lose.