thinkorswim

#Simple_VSA
#by GrOwEx.
#11.14.2008
declare upper;
input length = 20;
def range = high - low;
def volumechurn = volume / range;
def Highchurn = Highest(volumechurn, length);
def Lowchurn = Lowest(volumechurn, length);
#=Stopping Volume=========
def StVolUp = range < range[1] and volume > volume[1] and high > open and high > high[1];
def StVolDn = range < range[1] and volume > volume[1] and low < close and low < low[1];
def Nodemand = high > high[1] and volume < volume[1] and volume < volume[2] and (range<range[1] or range < range[2]);
#LowVolume
def lowvol = lowest(volume,length);
AssignPriceColor(if highchurn > highchurn[1] then color.orange else if lowchurn < lowchurn[1] then color.red else if StVolUp then color.dark_red else if StVolDn then color.blue else if Nodemand then color.dark_gray else if lowvol < lowvol[1] then color.light_green else color.gray);
#Volume Churn;
addlabel(yes,"highchurn",color.orange);
addlabel(yes,"lowchurn",color.red);
addlabel(yes,"Stop Up",color.dark_red);
addlabel(yes,"Stop Down",color.blue);
addlabel(yes,"NoDemand",color.dark_gray);
addlabel(yes,"Low Vol",color.light_green);