Trend Analysis Index

Trend Analysis Index was authored by Adam White, in the Stocks and Commodities Mag. 08/1992. This index uses the highest and lowest prices of a simple moving average to create an oscillator. The user may change the input (close) and period lengths. This indicator’s definition is further expressed in the condensed code given in the calculation below.

Trend Analysis Index

How To Trade Using Percent Change

The Trend Analysis Index may to be used in conjunction with other indicators. No trading signals are given.

How To Access in MotiveWave

Go to the top menu, choose Study>Oscillators>Trend Analysis Index

Go to the top menu, choose Add Study, start typing in this study name until you see it appear in the list, click on the study name, click OK.

Important Disclaimer: The information provided on this page is strictly for informational purposes and is not to be construed as advice or solicitation to buy or sell any security. Please see our Risk Disclosure and Performance Disclaimer Statement.


//input = price user defined, default is close
//avPeriod = user defined, default is 28
//taiPeriod = user defined, default is 5
//sma = simple moving average, index = current bar number

av1 = sma(index, avPeriod, input);
highest = highest(index, taiPeriod, av1);
lowest = lowest(index, taiPeriod, av1);
Plot: tai = (highest - lowest) * 100 / price;