Three Lines

Three Lines by Bill Williams displays three displaced moving averages based on the midpoint price. The user may change the input (midpoint), method (SMA), periods and displace lengths. This indicator’s definition is further expressed in the condensed code given in the calculation below.

How To Trade Using 3 Lines

The Three Lines Indicator may be used in conjunction with other indicators as a trend indicator. No trading signals are given.

How To Access in MotiveWave

Go to the top menu, choose Study>Bill Williams>Three Lines

or 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.

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Calculation

//input = price (user defined, default is midpoint price)
//method = user defined, default is SMA
//period1 = user defined, default = 13
//displace1 = user defined, default = 8
//period2 = user defined, default = 8
//displace2 = user defined, default = 5
//period3 = user defined, default = 5
//displace3 = user defined, default = 3
//index = current bar number

Plot1: line1 = ma(method, index-displace1, period1, input);
Plot2: line2 = ma(method, index-displace2, period2, input);
Plot3: line3 = ma(method, index-displace3, period3, input);