Trading psychology refers to the human mindset. Traders actively involved with trading psychology during the market time or trading a particular asset. On the other hand, it is an emotional component that has a direct influence on your trading activity.
You can categorize the psychology of trading in different parts. But some of these like GREED, Fear, FOMO and Regret play an important role in the trading process. In among of these four, greed and fear have a primary influence on trading.
In trading, greed leads traders to take more risk. Oppositely, fear helps traders to avoid that risk, and generate a small amount of return.
By being emotional, you will increase your chance of failure. Eventually, you will fail to control the edge of risk. In the end, you will lose more than your earning capital.