Investopedia

Relative Strength Index (RSI) Indicator Explained With Formula

For example, the RSI may show a reading above 70 for a sustained period of time, indicating a security is overextended on the buy side.At the same time, the MACD could indicate that buying momentum is ...
Investopedia

Relative Strength Index (RSI): What It Is, How It Works, and Formula

For example, well-known market technician Constance Brown, CMT, proposed that an oversold reading by the RSI in an uptrend is probably much higher than 30. Likewise, an overbought reading during a ...