Formulas:
Middle[i]=(Upper[i]+Lower[i])/2,
U75[i]=(Upper[i]+Middle[i])/2,
L25[i]=(Middle[i]+Lower[i])/2,
Upper[i]=maximum (Close, if Mode=0, or High, if Mode=1) price at range from (i-Length) to (i),
Lower[i]=minimum (Close, if Mode=0, or Low, if Mode=1) price at range from (i-Length) to (i).
Download:
TS2/Lua version.
viewtopic.php?f=17&t=20
Indicator based EA
viewtopic.php?f=38&t=68723