Day trading can be rewarding but challenging, and most traders fail because they can’t control their emotions or are unable to develop a winning mindset. When most people first jump into day trading, they assume that all that is needed is to formulate a great trading strategy and analysis. After that, they only need to come to the trading market every day, trade using their strategies, and the market will just instantly begin pumping money into their account. Sadly, as any professional trader knows, it is not that easy. There are many traders with superb trading strategies and systems, but still, regularly incur losses rather than reap profits. This article is for those interested in the stock market and day trading, as well as those who want to know how to determine what account size one should start with. But before we go any further, let’s first talk a little bit about day trading. What is day trading? Day trading is a form of market speculation in which those involved consistently buy and sell stocks or other financial securities, then sell them within the same day to make short-term profits. Before the end of the market day, the trader will have exited all their positions and made either a profit or a loss. Day trading investment approach is completely different from long-term investing, in which an investor holds stocks or other securities hoping that they will increase in value over time. By opening and closing their positions within the same day, day traders remove the risk of any explosive overnight moves. Day Trading Capital Not every day trader is going to have the same amount of capital when starting. The amount of cash you have (the size of your trading capital) is going to determine the position size that you can to jump into the market with. The position size is the amount of money you trade with. The bigger the position size, the more profit you will make if the trade wins. But this also means you can incur more losses. This is why it is so important to determine what trading account size you should start with because you can protect your capital from losing trades and remain within the correct limits of money management..