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RCI 3 Lines
RCI is one of the technical charts and is an abbreviation that stands for "Rank Correlation Index". It is an index to judge overbought or oversold based on how much the latest stock price has risen or fallen. RCI ranks dates and prices over a period of time and indexes the correlation between -100% and + 100%. For example, if the calculation period is 9, it will be + 100% if the price continues to rise for 9, and -100% if the price continues to fall for 9. Generally, it is judged that it is overbought at + 80% or more and oversold at -80%.