RSI

Line chart of the S&P 500 Index with hourly data showing a recent uptrend, along with RSI indicator at 66.56, trading view icons, and buy/sell buttons at the top.

Definition

RSI (Relative Strength Indicator) is a momentum indicator. This means it gives an indication of overbought and oversold securities. The value of RSI is bound between 0 and 100 percent. With RSI values below 30 indicating that the security is oversold and RSI values above 70 indicating that the security is overbought.

RSI is usually depicted in separate chart below the main security price chart.