The world of day trading is an expanse of infinite opportunities. It involves purchasing and selling financial instruments in the span of one trading day. This means that all positions are wrapped up before the market closes for the trading day.

A person who participates in day trading is known as a day trader. Day traders often use high amounts of leverage and short-term trading strategies to benefit on small price movements in highly liquid stocks or currencies. However, it is not a get-rich-quick scheme; there are risks involved, and it demands a solid understanding of the financial markets.

To successfully day trade, you need to develop a well-thought-out strategy. This involves anticipating market trends, setting realistic goals, being prepared to take risks and having a firm understanding of the assets you're trading.

Strategies used in day trading vary. Some of the more common ones include swing trading, arbitrage, and scalping. Scalping is a strategy that seeks to profit from small price changes. Swing trading is more about predicting the swings in the market. And arbitrage involves buying a dual-listed stock at a lower price in one market and simultaneously selling it at a higher price in another market.

A day trader should have a comprehensive knowledge of the market. This includes knowing about market fluctuations, economic releases, and other market-related events. Keeping track of these details will help the trader make informed decisions.

In addition, day trading requires a sizable amount of capital. Since trade the day traders need to buy stocks, commodities, or currencies, they must have enough capital to buy these assets and potentially sell them for a profit. Depending on the market currency, the capital required for day trading can range from a few hundred to several thousand dollars.

All trading involves risks, and day trading is no different. However, with an effective strategy, these risks can be managed. It's important for traders to set a stop-loss order, which is a pre-designated point at which a trader will exit a trade if the price moves against them. This can help limit potential losses.

The world of day trading is rapid. The stakes are high, and the rewards can be significant. Armed with comprehensive market knowledge, a solid trading strategy, and the readiness to take calculated risks, you can exploit the turbulent seas of day trading. However, it is crucial to maintain discipline and remember the age-old adage: don't invest more than you can afford to lose.

To sum up, day trading is not for the faint-hearted, but for those with a comprehensive understanding of the financial markets, a rigorous strategy and nerves of steel. It offers the chance to earn substantial profits, but it's also fraught with considerable risks. Still, with careful planning and ample trading experience, you could transform day trading into a potentially lucrative venture.