There are several indicators that traders use to identify potential reversals in stock trading. One of the most commonly used indicators is the moving average, which helps to smooth out price movements and identify changes in the trend. Another popular indicator is the Relative Strength Index (RSI), which measures the strength of a stock's price movement and can indicate when a stock is oversold or overbought.

Other common indicators used to identify potential reversals include the MACD (Moving Average Convergence Divergence), the Stochastic Oscillator, and the Bollinger Bands. Traders may also look for key chart patterns, such as head and shoulders or double tops and bottoms, which can signal a potential reversal in the stock's price movement. It's important to note that no single indicator is foolproof, and traders may use a combination of indicators to increase the accuracy of their predictions.