RSI Formula Calculation

RSI Formula Calculation

Download RSI Excel Calculation

RSI = 100 - ( 100 / ( 1 + RS ) )

RS = Average Gain / Average Loss

Average Gain = [(previous Average Gain) x 13 + current Gain] / 14
First Average Gain = Total of Gains during past 14 periods / 14

Average Loss = [(previous Average Loss) x 13 + current Loss] / 14
First Average Loss = Total of Losses during past 14 periods / 14

Note: "Losses" are reported as positive values.