Relative Strength Index (RSI)

Measures momentum by comparing average gains and losses over a period.

Function Syntax

=RSI(data, period)  

• data (array):
  Range of columns containing the date, Open, high, Low, close, volume data.
• period (number):
  Number of periods (days) over which the RSI is calculated

Returns:
A two-column array of dates and their corresponding RSI values.

Output Example

Below is an example of the resulting array when applying the custom =RSI() function.