input price = close;
input calculationMode = {default Normal, Alternate};
def fastLine;
switch (calculationMode) {
case Normal:
fastLine = Average(price, 3) - Average(price, 10);
case Alternate:
fastLine = Average(price - Average(price[3], 3), 2);
}
def slowLine = Average(fastLine, 16);
def crossAbove = fastLine[1] < slowLine[1] and fastLine > slowLine;
def crossBelow = fastLine[1] > slowLine[1] and fastLine < slowLine;
plot data = if crossAbove then 1 else if crossBelow then -1 else 0;
data.AssignValueColor(if data <> 0 then Color.BLACK else Color.CURRENT);
AssignBackgroundColor(if data > 0 then Color.GREEN else if data < 0 then Color.RED else Color.CURRENT);