تدفق أموال تشايكن (CMF)

//@version=6
indicator("Chaikin Money Flow (CMF)", overlay=false)
length = input.int(20, "CMF Length")
ad     = ta.accdist
cmf    = math.sum(ad - ad[length], length) / math.sum(volume, length)
longSignal  = ta.crossover(cmf, 0)
shortSignal = ta.crossunder(cmf, 0)
plotshape(longSignal,  style=shape.triangleup,   location=location.bottom, color=color.green, size=size.small)
plotshape(shortSignal, style=shape.triangledown, location=location.top,    color=color.red,   size=size.small)
hline(0.25,  "+0.25", color=color.green, linestyle=hline.style_dashed)
hline(0,     "Zero",  color=color.gray,  linestyle=hline.style_dotted)
hline(-0.25, "-0.25", color=color.red,   linestyle=hline.style_dashed)
plot(cmf, "CMF", color=cmf >= 0 ? color.green : color.red)

def cmf = ChaikinMoneyFlow(length = 20);
def buySignal = cmf crosses above 0;
def sellSignal = cmf crosses below 0;
AddOrder(OrderType.BUY_AUTO, buySignal, close, 1, Color.GREEN, Color.GREEN, "CMF Buy");
AddOrder(OrderType.SELL_AUTO, sellSignal, close, 1, Color.RED, Color.RED, "CMF Exit");
plot CMFLine = cmf;
CMFLine.SetDefaultColor(Color.CYAN);