Dollar-Cost Averaging (DCA) Strategy

//@version=6
strategy("Dollar-Cost Averaging (DCA) Strategy", overlay=true)
dropPct   = input.float(3.0,  "Buy on Drop %")
rsiLen    = input.int(14,     "RSI Length")
rsiOversold = input.int(35,   "RSI Oversold")
r     = ta.rsi(close, rsiLen)
drop  = (close - ta.highest(close, 10)) / ta.highest(close, 10) * 100
// DCA: buy when price drops the configured % OR RSI is oversold
dcaBuy = drop < -dropPct or r < rsiOversold
if dcaBuy and strategy.position_size == 0
    strategy.entry("DCA", strategy.long)
// Take profit at +10% above average cost
if strategy.position_size > 0 and close > strategy.position_avg_price * 1.10
    strategy.close("DCA")
plot(ta.ema(close, 50), "EMA 50", color=color.orange)

input dropPct = 3.0;
input rsiLength = 14;
input rsiOversold = 35;
def r = RSI(length = rsiLength);
def recentHigh = Highest(close, 10);
def dropPctVal = (close - recentHigh) / recentHigh * 100;
def dcaBuy = dropPctVal < -dropPct or r < rsiOversold;
def tpHit = close > close[1] * 1.10;
AddOrder(OrderType.BUY_AUTO, dcaBuy, close, 1, Color.GREEN, Color.GREEN, "Dollar-Cost Averaging (DCA) Strategy Buy");
AddOrder(OrderType.SELL_AUTO, tpHit, close, 1, Color.RED, Color.RED, "Dollar-Cost Averaging (DCA) Strategy Exit");
plot TrendLine = ExpAverage(close, 50);
TrendLine.SetDefaultColor(Color.ORANGE);