Relative Strength Index (RSI) - Financial definition
Concise definition of the term Relative Strength Index
The Relative Strength Index is a technical indicator used in the analysis of stocks.
Comprehensive definition of the term Relative Strength Index
The RSI is usually calculated using the closing prices of the last 14 days. It oscillates between values of 0 and 100.
A stock is generally considered overbought when its RSI is above 70 and oversold when its RSI is below 30.