Learn how to use the relative strength index (RSI) for analysis of overbought or oversold conditions and to generate buy and sell signals.

If you continued to hold through mid-October, you’d have noticed a divergence in the RSI and the market. The S&P 500 hit new lows in early October, but the RSI bottomed at the end of September.

The RSI is a technical analysis indicator that identifies overbought and oversold conditions in the price action of ...