RSI in trading

The relative strength index (RSI) is a momentum indicator used in technical analysis. RSI measures the speed and magnitude of a security's recent price changes to detect overbought or oversold conditions in the price of that security.
The relative strength index (RSI) is an indicator used in technical analysis to determine overbought and oversold conditions, which provides traders with buy and sell signals (when to enter and exit positions). Values above 70 indicate overbought conditions and those below 30 indicate oversold conditions.