thinkorswim AI Coding AgentGenerate thinkScript Studies and Strategies

declare upper;

input fastLength = 9;
input slowLength = 21;
input tradeSize = 1;
input showAverages = yes;

def fastEMA = ExpAverage(close, fastLength);
def slowEMA = ExpAverage(close, slowLength);
def enterLong = Crosses(fastEMA, slowEMA, CrossingDirection.ABOVE);
def exitLong = Crosses(fastEMA, slowEMA, CrossingDirection.BELOW);

AddOrder(
    OrderType.BUY_TO_OPEN,
    enterLong,
    open[-1],
    tradeSize,
    Color.GREEN,
    Color.GREEN,
    "Long"
);

AddOrder(
    OrderType.SELL_TO_CLOSE,
    exitLong,
    open[-1],
    tradeSize,
    Color.RED,
    Color.RED,
    "Exit"
);

plot FastAverage = if showAverages then fastEMA else Double.NaN;
plot SlowAverage = if showAverages then slowEMA else Double.NaN;

FastAverage.SetDefaultColor(Color.CYAN);
SlowAverage.SetDefaultColor(Color.MAGENTA);