Relative Momentum Index indicator script. This indicator was originally developed by Roger Altman (Stocks & Commodities V. 11:2 (57-60)).
RMI with momentum period of 1 will be equal to an RSI when they have the same period and source price.
The Relative Momentum Index (RMI) was developed by Roger Altman. Impressed
with the Relative Strength Index's sensitivity to the number of look-back
periods, yet frustrated with it's inconsistent oscillation between defined
overbought and oversold levels, Mr. Altman added a momentum component to the RSI.
As mentioned, the RMI is a variation of the RSI...