Relative Strength Index

Input variables

"Length" - is the number of time periods used when computing the moving average
"Over Sold Property" - the level of oversold band set initially at 30
"Over Bought Property" - the level of overbought band set initially at 70

Calculation

The "RSI" (Relative Strength Index) Indicator consists of three bands:
- an oversold band
- an overbought band
- the "RSI" band

The formula for the "RSI" indicator is:

where:


The first average gain and average loss are calculated the following way:

The second, and subsequent, calculations are based on prior averages and current gain/loss:


From "Indicator Properties" you can change the settings for indicator:


This dialog box has three sections: "RSI", "Over Bought" and "Over Sold". You can set line thickness, color and style in both of these sections. You can also change "Over Bought Property", "Over Sold Property" and "Length".

Relative Strength Index indicator on ESZ07 chart

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